Home / 897,417.20-1,346,125.80-543,123.20

Finding the Fourth Proportional to 897,417.20, 1,346,125.80 and 543,123.20

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Solution

The fourth proportional to 897,417.20, 1,346,125.80 and 543,123.20 is: 814,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,417.20 : 1,346,125.80 = 543,123.20 : x
  2. Step 2: Convert to fraction form
    897,417.20/1,346,125.80 = 543,123.20/x
  3. Step 3: Cross multiply
    897,417.20x = 1,346,125.80 × 543,123.20
  4. Step 4: Simplify right side
    897,417.20x = 731,112,152,098.56
  5. Step 5: Solve for x
    x = 731,112,152,098.56/897,417.20
  6. Step 6: Final answer
    x = 814,684.80

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Double scale
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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.