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Finding the Fourth Proportional to 623,593.92, 934,691.04 and 308,272.26

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Solution

The fourth proportional to 623,593.92, 934,691.04 and 308,272.26 is: 462,062.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,593.92 : 934,691.04 = 308,272.26 : x
  2. Step 2: Convert to fraction form
    623,593.92/934,691.04 = 308,272.26/x
  3. Step 3: Cross multiply
    623,593.92x = 934,691.04 × 308,272.26
  4. Step 4: Simplify right side
    623,593.92x = 288,139,319,302.55
  5. Step 5: Solve for x
    x = 288,139,319,302.55/623,593.92
  6. Step 6: Final answer
    x = 462,062.43

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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.