Home / 709,541.31-1,063,387.85-288,324.75

Finding the Fourth Proportional to 709,541.31, 1,063,387.85 and 288,324.75

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Solution

The fourth proportional to 709,541.31, 1,063,387.85 and 288,324.75 is: 432,111.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,541.31 : 1,063,387.85 = 288,324.75 : x
  2. Step 2: Convert to fraction form
    709,541.31/1,063,387.85 = 288,324.75/x
  3. Step 3: Cross multiply
    709,541.31x = 1,063,387.85 × 288,324.75
  4. Step 4: Simplify right side
    709,541.31x = 306,601,034,562.66
  5. Step 5: Solve for x
    x = 306,601,034,562.66/709,541.31
  6. Step 6: Final answer
    x = 432,111.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.