Home / 747,695.92-1,031,838.06-408,166.60

Finding the Fourth Proportional to 747,695.92, 1,031,838.06 and 408,166.60

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Solution

The fourth proportional to 747,695.92, 1,031,838.06 and 408,166.60 is: 563,279.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,695.92 : 1,031,838.06 = 408,166.60 : x
  2. Step 2: Convert to fraction form
    747,695.92/1,031,838.06 = 408,166.60/x
  3. Step 3: Cross multiply
    747,695.92x = 1,031,838.06 × 408,166.60
  4. Step 4: Simplify right side
    747,695.92x = 421,161,832,700.80
  5. Step 5: Solve for x
    x = 421,161,832,700.80/747,695.92
  6. Step 6: Final answer
    x = 563,279.57

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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.