Home / 998,166.10-1,497,249.15-398,830.90

Finding the Fourth Proportional to 998,166.10, 1,497,249.15 and 398,830.90

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Solution

The fourth proportional to 998,166.10, 1,497,249.15 and 398,830.90 is: 598,246.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,166.10 : 1,497,249.15 = 398,830.90 : x
  2. Step 2: Convert to fraction form
    998,166.10/1,497,249.15 = 398,830.90/x
  3. Step 3: Cross multiply
    998,166.10x = 1,497,249.15 × 398,830.90
  4. Step 4: Simplify right side
    998,166.10x = 597,149,226,018.74
  5. Step 5: Solve for x
    x = 597,149,226,018.74/998,166.10
  6. Step 6: Final answer
    x = 598,246.35

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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.