Home / 747,712.52-1,031,843.00-408,180.77

Finding the Fourth Proportional to 747,712.52, 1,031,843.00 and 408,180.77

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Solution

The fourth proportional to 747,712.52, 1,031,843.00 and 408,180.77 is: 563,289.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,712.52 : 1,031,843.00 = 408,180.77 : x
  2. Step 2: Convert to fraction form
    747,712.52/1,031,843.00 = 408,180.77/x
  3. Step 3: Cross multiply
    747,712.52x = 1,031,843.00 × 408,180.77
  4. Step 4: Simplify right side
    747,712.52x = 421,178,469,989.76
  5. Step 5: Solve for x
    x = 421,178,469,989.76/747,712.52
  6. Step 6: Final answer
    x = 563,289.31

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Double scale
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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.