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Finding the Fourth Proportional to 502,842.60, 754,263.90 and 447,730.20

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Solution

The fourth proportional to 502,842.60, 754,263.90 and 447,730.20 is: 671,595.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,842.60 : 754,263.90 = 447,730.20 : x
  2. Step 2: Convert to fraction form
    502,842.60/754,263.90 = 447,730.20/x
  3. Step 3: Cross multiply
    502,842.60x = 754,263.90 × 447,730.20
  4. Step 4: Simplify right side
    502,842.60x = 337,706,726,799.78
  5. Step 5: Solve for x
    x = 337,706,726,799.78/502,842.60
  6. Step 6: Final answer
    x = 671,595.30

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Similar ratio
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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.