Home / 998,143.70-1,497,215.55-366,926.90

Finding the Fourth Proportional to 998,143.70, 1,497,215.55 and 366,926.90

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Solution

The fourth proportional to 998,143.70, 1,497,215.55 and 366,926.90 is: 550,390.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,143.70 : 1,497,215.55 = 366,926.90 : x
  2. Step 2: Convert to fraction form
    998,143.70/1,497,215.55 = 366,926.90/x
  3. Step 3: Cross multiply
    998,143.70x = 1,497,215.55 × 366,926.90
  4. Step 4: Simplify right side
    998,143.70x = 549,368,660,393.30
  5. Step 5: Solve for x
    x = 549,368,660,393.30/998,143.70
  6. Step 6: Final answer
    x = 550,390.35

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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.