Home / 747,764.82-1,031,910.12-408,233.04

Finding the Fourth Proportional to 747,764.82, 1,031,910.12 and 408,233.04

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Solution

The fourth proportional to 747,764.82, 1,031,910.12 and 408,233.04 is: 563,358.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,764.82 : 1,031,910.12 = 408,233.04 : x
  2. Step 2: Convert to fraction form
    747,764.82/1,031,910.12 = 408,233.04/x
  3. Step 3: Cross multiply
    747,764.82x = 1,031,910.12 × 408,233.04
  4. Step 4: Simplify right side
    747,764.82x = 421,259,805,294.37
  5. Step 5: Solve for x
    x = 421,259,805,294.37/747,764.82
  6. Step 6: Final answer
    x = 563,358.68

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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.