Home / 747,291.20-1,031,284.60-425,047.64

Finding the Fourth Proportional to 747,291.20, 1,031,284.60 and 425,047.64

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Solution

The fourth proportional to 747,291.20, 1,031,284.60 and 425,047.64 is: 586,578.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,291.20 : 1,031,284.60 = 425,047.64 : x
  2. Step 2: Convert to fraction form
    747,291.20/1,031,284.60 = 425,047.64/x
  3. Step 3: Cross multiply
    747,291.20x = 1,031,284.60 × 425,047.64
  4. Step 4: Simplify right side
    747,291.20x = 438,345,085,398.34
  5. Step 5: Solve for x
    x = 438,345,085,398.34/747,291.20
  6. Step 6: Final answer
    x = 586,578.68

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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.