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Finding the Fourth Proportional to 577,505.79, 865,677.15 and 240,732.90

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Solution

The fourth proportional to 577,505.79, 865,677.15 and 240,732.90 is: 360,856.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,505.79 : 865,677.15 = 240,732.90 : x
  2. Step 2: Convert to fraction form
    577,505.79/865,677.15 = 240,732.90/x
  3. Step 3: Cross multiply
    577,505.79x = 865,677.15 × 240,732.90
  4. Step 4: Simplify right side
    577,505.79x = 208,396,970,783.24
  5. Step 5: Solve for x
    x = 208,396,970,783.24/577,505.79
  6. Step 6: Final answer
    x = 360,856.94

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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.