Home / 998,145.70-1,497,218.55-366,928.90

Finding the Fourth Proportional to 998,145.70, 1,497,218.55 and 366,928.90

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Solution

The fourth proportional to 998,145.70, 1,497,218.55 and 366,928.90 is: 550,393.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,145.70 : 1,497,218.55 = 366,928.90 : x
  2. Step 2: Convert to fraction form
    998,145.70/1,497,218.55 = 366,928.90/x
  3. Step 3: Cross multiply
    998,145.70x = 1,497,218.55 × 366,928.90
  4. Step 4: Simplify right side
    998,145.70x = 549,372,755,611.10
  5. Step 5: Solve for x
    x = 549,372,755,611.10/998,145.70
  6. Step 6: Final answer
    x = 550,393.35

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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.