Home / 747,644.40-1,031,771.52-425,294.64

Finding the Fourth Proportional to 747,644.40, 1,031,771.52 and 425,294.64

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Solution

The fourth proportional to 747,644.40, 1,031,771.52 and 425,294.64 is: 586,919.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,644.40 : 1,031,771.52 = 425,294.64 : x
  2. Step 2: Convert to fraction form
    747,644.40/1,031,771.52 = 425,294.64/x
  3. Step 3: Cross multiply
    747,644.40x = 1,031,771.52 × 425,294.64
  4. Step 4: Simplify right side
    747,644.40x = 438,806,897,160.65
  5. Step 5: Solve for x
    x = 438,806,897,160.65/747,644.40
  6. Step 6: Final answer
    x = 586,919.26

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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.