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Finding the Fourth Proportional to 523,329.60, 783,957.60 and 486,004.80

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Solution

The fourth proportional to 523,329.60, 783,957.60 and 486,004.80 is: 728,044.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,329.60 : 783,957.60 = 486,004.80 : x
  2. Step 2: Convert to fraction form
    523,329.60/783,957.60 = 486,004.80/x
  3. Step 3: Cross multiply
    523,329.60x = 783,957.60 × 486,004.80
  4. Step 4: Simplify right side
    523,329.60x = 381,007,156,596.48
  5. Step 5: Solve for x
    x = 381,007,156,596.48/523,329.60
  6. Step 6: Final answer
    x = 728,044.35

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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.