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Finding the Fourth Proportional to 536,777.07, 740,753.88 and 307,337.87

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Solution

The fourth proportional to 536,777.07, 740,753.88 and 307,337.87 is: 424,127.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,777.07 : 740,753.88 = 307,337.87 : x
  2. Step 2: Convert to fraction form
    536,777.07/740,753.88 = 307,337.87/x
  3. Step 3: Cross multiply
    536,777.07x = 740,753.88 × 307,337.87
  4. Step 4: Simplify right side
    536,777.07x = 227,661,719,673.44
  5. Step 5: Solve for x
    x = 227,661,719,673.44/536,777.07
  6. Step 6: Final answer
    x = 424,127.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.