Home / 998,800.40-1,498,200.60-662,877.20

Finding the Fourth Proportional to 998,800.40, 1,498,200.60 and 662,877.20

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Solution

The fourth proportional to 998,800.40, 1,498,200.60 and 662,877.20 is: 994,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,800.40 : 1,498,200.60 = 662,877.20 : x
  2. Step 2: Convert to fraction form
    998,800.40/1,498,200.60 = 662,877.20/x
  3. Step 3: Cross multiply
    998,800.40x = 1,498,200.60 × 662,877.20
  4. Step 4: Simplify right side
    998,800.40x = 993,123,018,766.32
  5. Step 5: Solve for x
    x = 993,123,018,766.32/998,800.40
  6. Step 6: Final answer
    x = 994,315.80

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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.