Home / 747,612.20-1,031,668.80-425,291.96

Finding the Fourth Proportional to 747,612.20, 1,031,668.80 and 425,291.96

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Solution

The fourth proportional to 747,612.20, 1,031,668.80 and 425,291.96 is: 586,882.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,612.20 : 1,031,668.80 = 425,291.96 : x
  2. Step 2: Convert to fraction form
    747,612.20/1,031,668.80 = 425,291.96/x
  3. Step 3: Cross multiply
    747,612.20x = 1,031,668.80 × 425,291.96
  4. Step 4: Simplify right side
    747,612.20x = 438,760,446,022.85
  5. Step 5: Solve for x
    x = 438,760,446,022.85/747,612.20
  6. Step 6: Final answer
    x = 586,882.41

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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.