Home / 747,279.22-1,031,268.02-425,035.66

Finding the Fourth Proportional to 747,279.22, 1,031,268.02 and 425,035.66

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Solution

The fourth proportional to 747,279.22, 1,031,268.02 and 425,035.66 is: 586,562.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,279.22 : 1,031,268.02 = 425,035.66 : x
  2. Step 2: Convert to fraction form
    747,279.22/1,031,268.02 = 425,035.66/x
  3. Step 3: Cross multiply
    747,279.22x = 1,031,268.02 × 425,035.66
  4. Step 4: Simplify right side
    747,279.22x = 438,325,683,517.59
  5. Step 5: Solve for x
    x = 438,325,683,517.59/747,279.22
  6. Step 6: Final answer
    x = 586,562.12

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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.