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Finding the Fourth Proportional to 654,489.42, 903,177.45 and 368,002.14

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Solution

The fourth proportional to 654,489.42, 903,177.45 and 368,002.14 is: 507,832.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,489.42 : 903,177.45 = 368,002.14 : x
  2. Step 2: Convert to fraction form
    654,489.42/903,177.45 = 368,002.14/x
  3. Step 3: Cross multiply
    654,489.42x = 903,177.45 × 368,002.14
  4. Step 4: Simplify right side
    654,489.42x = 332,371,234,399.74
  5. Step 5: Solve for x
    x = 332,371,234,399.74/654,489.42
  6. Step 6: Final answer
    x = 507,832.86

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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.