Home / 897,422.20-1,346,133.30-543,128.20

Finding the Fourth Proportional to 897,422.20, 1,346,133.30 and 543,128.20

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Solution

The fourth proportional to 897,422.20, 1,346,133.30 and 543,128.20 is: 814,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,422.20 : 1,346,133.30 = 543,128.20 : x
  2. Step 2: Convert to fraction form
    897,422.20/1,346,133.30 = 543,128.20/x
  3. Step 3: Cross multiply
    897,422.20x = 1,346,133.30 × 543,128.20
  4. Step 4: Simplify right side
    897,422.20x = 731,122,956,189.06
  5. Step 5: Solve for x
    x = 731,122,956,189.06/897,422.20
  6. Step 6: Final answer
    x = 814,692.30

Related Problems

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Half scale
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Double scale
Find fourth proportional to 897,423.20, 1,346,134.80 and 543,129.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.