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Finding the Fourth Proportional to 577,510.29, 865,683.90 and 240,737.40

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Solution

The fourth proportional to 577,510.29, 865,683.90 and 240,737.40 is: 360,863.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,510.29 : 865,683.90 = 240,737.40 : x
  2. Step 2: Convert to fraction form
    577,510.29/865,683.90 = 240,737.40/x
  3. Step 3: Cross multiply
    577,510.29x = 865,683.90 × 240,737.40
  4. Step 4: Simplify right side
    577,510.29x = 208,402,491,307.86
  5. Step 5: Solve for x
    x = 208,402,491,307.86/577,510.29
  6. Step 6: Final answer
    x = 360,863.68

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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.