Home / 781,488.20-1,170,891.75-524,839.70

Finding the Fourth Proportional to 781,488.20, 1,170,891.75 and 524,839.70

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Solution

The fourth proportional to 781,488.20, 1,170,891.75 and 524,839.70 is: 786,359.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,488.20 : 1,170,891.75 = 524,839.70 : x
  2. Step 2: Convert to fraction form
    781,488.20/1,170,891.75 = 524,839.70/x
  3. Step 3: Cross multiply
    781,488.20x = 1,170,891.75 × 524,839.70
  4. Step 4: Simplify right side
    781,488.20x = 614,530,479,697.85
  5. Step 5: Solve for x
    x = 614,530,479,697.85/781,488.20
  6. Step 6: Final answer
    x = 786,359.25

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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.