Home / 998,177.70-1,497,266.55-288,228.90

Finding the Fourth Proportional to 998,177.70, 1,497,266.55 and 288,228.90

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Solution

The fourth proportional to 998,177.70, 1,497,266.55 and 288,228.90 is: 432,343.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,177.70 : 1,497,266.55 = 288,228.90 : x
  2. Step 2: Convert to fraction form
    998,177.70/1,497,266.55 = 288,228.90/x
  3. Step 3: Cross multiply
    998,177.70x = 1,497,266.55 × 288,228.90
  4. Step 4: Simplify right side
    998,177.70x = 431,555,490,713.30
  5. Step 5: Solve for x
    x = 431,555,490,713.30/998,177.70
  6. Step 6: Final answer
    x = 432,343.35

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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.