Home / 746,422.68-1,030,063.32-406,891.20

Finding the Fourth Proportional to 746,422.68, 1,030,063.32 and 406,891.20

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Solution

The fourth proportional to 746,422.68, 1,030,063.32 and 406,891.20 is: 561,509.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,422.68 : 1,030,063.32 = 406,891.20 : x
  2. Step 2: Convert to fraction form
    746,422.68/1,030,063.32 = 406,891.20/x
  3. Step 3: Cross multiply
    746,422.68x = 1,030,063.32 × 406,891.20
  4. Step 4: Simplify right side
    746,422.68x = 419,123,700,350.78
  5. Step 5: Solve for x
    x = 419,123,700,350.78/746,422.68
  6. Step 6: Final answer
    x = 561,509.87

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Double scale
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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.