Home / 782,687.80-1,174,179.18-296,515.57

Finding the Fourth Proportional to 782,687.80, 1,174,179.18 and 296,515.57

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Solution

The fourth proportional to 782,687.80, 1,174,179.18 and 296,515.57 is: 444,829.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,687.80 : 1,174,179.18 = 296,515.57 : x
  2. Step 2: Convert to fraction form
    782,687.80/1,174,179.18 = 296,515.57/x
  3. Step 3: Cross multiply
    782,687.80x = 1,174,179.18 × 296,515.57
  4. Step 4: Simplify right side
    782,687.80x = 348,162,408,839.83
  5. Step 5: Solve for x
    x = 348,162,408,839.83/782,687.80
  6. Step 6: Final answer
    x = 444,829.23

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Double scale
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1.5x scale

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.