Home / 998,166.80-1,497,250.20-288,266.60

Finding the Fourth Proportional to 998,166.80, 1,497,250.20 and 288,266.60

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Solution

The fourth proportional to 998,166.80, 1,497,250.20 and 288,266.60 is: 432,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,166.80 : 1,497,250.20 = 288,266.60 : x
  2. Step 2: Convert to fraction form
    998,166.80/1,497,250.20 = 288,266.60/x
  3. Step 3: Cross multiply
    998,166.80x = 1,497,250.20 × 288,266.60
  4. Step 4: Simplify right side
    998,166.80x = 431,607,224,503.32
  5. Step 5: Solve for x
    x = 431,607,224,503.32/998,166.80
  6. Step 6: Final answer
    x = 432,399.90

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Similar ratio
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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.