Home / 558,844.20-838,266.30-203,740.20

Finding the Fourth Proportional to 558,844.20, 838,266.30 and 203,740.20

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Solution

The fourth proportional to 558,844.20, 838,266.30 and 203,740.20 is: 305,610.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,844.20 : 838,266.30 = 203,740.20 : x
  2. Step 2: Convert to fraction form
    558,844.20/838,266.30 = 203,740.20/x
  3. Step 3: Cross multiply
    558,844.20x = 838,266.30 × 203,740.20
  4. Step 4: Simplify right side
    558,844.20x = 170,788,543,615.26
  5. Step 5: Solve for x
    x = 170,788,543,615.26/558,844.20
  6. Step 6: Final answer
    x = 305,610.30

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Half scale
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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.