Home / 747,810.92-1,031,973.68-408,279.17

Finding the Fourth Proportional to 747,810.92, 1,031,973.68 and 408,279.17

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Solution

The fourth proportional to 747,810.92, 1,031,973.68 and 408,279.17 is: 563,422.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,810.92 : 1,031,973.68 = 408,279.17 : x
  2. Step 2: Convert to fraction form
    747,810.92/1,031,973.68 = 408,279.17/x
  3. Step 3: Cross multiply
    747,810.92x = 1,031,973.68 × 408,279.17
  4. Step 4: Simplify right side
    747,810.92x = 421,333,361,132.88
  5. Step 5: Solve for x
    x = 421,333,361,132.88/747,810.92
  6. Step 6: Final answer
    x = 563,422.31

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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.