Home / 747,278.22-1,031,266.64-425,034.66

Finding the Fourth Proportional to 747,278.22, 1,031,266.64 and 425,034.66

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Solution

The fourth proportional to 747,278.22, 1,031,266.64 and 425,034.66 is: 586,560.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,278.22 : 1,031,266.64 = 425,034.66 : x
  2. Step 2: Convert to fraction form
    747,278.22/1,031,266.64 = 425,034.66/x
  3. Step 3: Cross multiply
    747,278.22x = 1,031,266.64 × 425,034.66
  4. Step 4: Simplify right side
    747,278.22x = 438,324,065,701.74
  5. Step 5: Solve for x
    x = 438,324,065,701.74/747,278.22
  6. Step 6: Final answer
    x = 586,560.74

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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.