Home / 998,086.90-1,497,130.35-366,918.70

Finding the Fourth Proportional to 998,086.90, 1,497,130.35 and 366,918.70

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Solution

The fourth proportional to 998,086.90, 1,497,130.35 and 366,918.70 is: 550,378.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,086.90 : 1,497,130.35 = 366,918.70 : x
  2. Step 2: Convert to fraction form
    998,086.90/1,497,130.35 = 366,918.70/x
  3. Step 3: Cross multiply
    998,086.90x = 1,497,130.35 × 366,918.70
  4. Step 4: Simplify right side
    998,086.90x = 549,325,121,752.55
  5. Step 5: Solve for x
    x = 549,325,121,752.55/998,086.90
  6. Step 6: Final answer
    x = 550,378.05

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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.