Home / 998,099.40-1,497,149.10-366,931.20

Finding the Fourth Proportional to 998,099.40, 1,497,149.10 and 366,931.20

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Solution

The fourth proportional to 998,099.40, 1,497,149.10 and 366,931.20 is: 550,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,099.40 : 1,497,149.10 = 366,931.20 : x
  2. Step 2: Convert to fraction form
    998,099.40/1,497,149.10 = 366,931.20/x
  3. Step 3: Cross multiply
    998,099.40x = 1,497,149.10 × 366,931.20
  4. Step 4: Simplify right side
    998,099.40x = 549,350,715,841.92
  5. Step 5: Solve for x
    x = 549,350,715,841.92/998,099.40
  6. Step 6: Final answer
    x = 550,396.80

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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.