Home / 998,131.70-1,497,197.55-366,914.90

Finding the Fourth Proportional to 998,131.70, 1,497,197.55 and 366,914.90

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Solution

The fourth proportional to 998,131.70, 1,497,197.55 and 366,914.90 is: 550,372.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,131.70 : 1,497,197.55 = 366,914.90 : x
  2. Step 2: Convert to fraction form
    998,131.70/1,497,197.55 = 366,914.90/x
  3. Step 3: Cross multiply
    998,131.70x = 1,497,197.55 × 366,914.90
  4. Step 4: Simplify right side
    998,131.70x = 549,344,089,338.50
  5. Step 5: Solve for x
    x = 549,344,089,338.50/998,131.70
  6. Step 6: Final answer
    x = 550,372.35

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Half scale
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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.