Home / 497,716.20-746,574.30-311,092.20

Finding the Fourth Proportional to 497,716.20, 746,574.30 and 311,092.20

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Solution

The fourth proportional to 497,716.20, 746,574.30 and 311,092.20 is: 466,638.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,716.20 : 746,574.30 = 311,092.20 : x
  2. Step 2: Convert to fraction form
    497,716.20/746,574.30 = 311,092.20/x
  3. Step 3: Cross multiply
    497,716.20x = 746,574.30 × 311,092.20
  4. Step 4: Simplify right side
    497,716.20x = 232,253,441,450.46
  5. Step 5: Solve for x
    x = 232,253,441,450.46/497,716.20
  6. Step 6: Final answer
    x = 466,638.30

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Similar ratio
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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.