Home / 998,098.30-1,497,366.15-324,064.90

Finding the Fourth Proportional to 998,098.30, 1,497,366.15 and 324,064.90

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Solution

The fourth proportional to 998,098.30, 1,497,366.15 and 324,064.90 is: 486,168.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,098.30 : 1,497,366.15 = 324,064.90 : x
  2. Step 2: Convert to fraction form
    998,098.30/1,497,366.15 = 324,064.90/x
  3. Step 3: Cross multiply
    998,098.30x = 1,497,366.15 × 324,064.90
  4. Step 4: Simplify right side
    998,098.30x = 485,243,811,663.14
  5. Step 5: Solve for x
    x = 485,243,811,663.14/998,098.30
  6. Step 6: Final answer
    x = 486,168.36

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Double scale
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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.