Home / 998,142.40-1,497,213.60-366,974.20

Finding the Fourth Proportional to 998,142.40, 1,497,213.60 and 366,974.20

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Solution

The fourth proportional to 998,142.40, 1,497,213.60 and 366,974.20 is: 550,461.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,142.40 : 1,497,213.60 = 366,974.20 : x
  2. Step 2: Convert to fraction form
    998,142.40/1,497,213.60 = 366,974.20/x
  3. Step 3: Cross multiply
    998,142.40x = 1,497,213.60 × 366,974.20
  4. Step 4: Simplify right side
    998,142.40x = 549,438,763,089.12
  5. Step 5: Solve for x
    x = 549,438,763,089.12/998,142.40
  6. Step 6: Final answer
    x = 550,461.30

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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.