Home / 709,255.92-1,062,964.68-288,042.48

Finding the Fourth Proportional to 709,255.92, 1,062,964.68 and 288,042.48

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Solution

The fourth proportional to 709,255.92, 1,062,964.68 and 288,042.48 is: 431,690.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,255.92 : 1,062,964.68 = 288,042.48 : x
  2. Step 2: Convert to fraction form
    709,255.92/1,062,964.68 = 288,042.48/x
  3. Step 3: Cross multiply
    709,255.92x = 1,062,964.68 × 288,042.48
  4. Step 4: Simplify right side
    709,255.92x = 306,178,982,579.61
  5. Step 5: Solve for x
    x = 306,178,982,579.61/709,255.92
  6. Step 6: Final answer
    x = 431,690.42

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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.