Home / 782,839.07-1,080,299.61-460,569.91

Finding the Fourth Proportional to 782,839.07, 1,080,299.61 and 460,569.91

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Solution

The fourth proportional to 782,839.07, 1,080,299.61 and 460,569.91 is: 635,575.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,839.07 : 1,080,299.61 = 460,569.91 : x
  2. Step 2: Convert to fraction form
    782,839.07/1,080,299.61 = 460,569.91/x
  3. Step 3: Cross multiply
    782,839.07x = 1,080,299.61 × 460,569.91
  4. Step 4: Simplify right side
    782,839.07x = 497,553,491,449.99
  5. Step 5: Solve for x
    x = 497,553,491,449.99/782,839.07
  6. Step 6: Final answer
    x = 635,575.71

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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.