Home / 998,077.10-1,497,310.05-288,128.30

Finding the Fourth Proportional to 998,077.10, 1,497,310.05 and 288,128.30

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Solution

The fourth proportional to 998,077.10, 1,497,310.05 and 288,128.30 is: 432,248.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,077.10 : 1,497,310.05 = 288,128.30 : x
  2. Step 2: Convert to fraction form
    998,077.10/1,497,310.05 = 288,128.30/x
  3. Step 3: Cross multiply
    998,077.10x = 1,497,310.05 × 288,128.30
  4. Step 4: Simplify right side
    998,077.10x = 431,417,399,279.42
  5. Step 5: Solve for x
    x = 431,417,399,279.42/998,077.10
  6. Step 6: Final answer
    x = 432,248.57

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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.