Home / 747,658.90-1,031,791.53-425,309.14

Finding the Fourth Proportional to 747,658.90, 1,031,791.53 and 425,309.14

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Solution

The fourth proportional to 747,658.90, 1,031,791.53 and 425,309.14 is: 586,939.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,658.90 : 1,031,791.53 = 425,309.14 : x
  2. Step 2: Convert to fraction form
    747,658.90/1,031,791.53 = 425,309.14/x
  3. Step 3: Cross multiply
    747,658.90x = 1,031,791.53 × 425,309.14
  4. Step 4: Simplify right side
    747,658.90x = 438,830,368,283.58
  5. Step 5: Solve for x
    x = 438,830,368,283.58/747,658.90
  6. Step 6: Final answer
    x = 586,939.27

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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.