Home / 998,113.40-1,497,170.10-366,945.20

Finding the Fourth Proportional to 998,113.40, 1,497,170.10 and 366,945.20

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Solution

The fourth proportional to 998,113.40, 1,497,170.10 and 366,945.20 is: 550,417.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,113.40 : 1,497,170.10 = 366,945.20 : x
  2. Step 2: Convert to fraction form
    998,113.40/1,497,170.10 = 366,945.20/x
  3. Step 3: Cross multiply
    998,113.40x = 1,497,170.10 × 366,945.20
  4. Step 4: Simplify right side
    998,113.40x = 549,379,381,778.52
  5. Step 5: Solve for x
    x = 549,379,381,778.52/998,113.40
  6. Step 6: Final answer
    x = 550,417.80

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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.