Home / 758,942.10-1,138,067.55-338,001.30

Finding the Fourth Proportional to 758,942.10, 1,138,067.55 and 338,001.30

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Solution

The fourth proportional to 758,942.10, 1,138,067.55 and 338,001.30 is: 506,848.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,942.10 : 1,138,067.55 = 338,001.30 : x
  2. Step 2: Convert to fraction form
    758,942.10/1,138,067.55 = 338,001.30/x
  3. Step 3: Cross multiply
    758,942.10x = 1,138,067.55 × 338,001.30
  4. Step 4: Simplify right side
    758,942.10x = 384,668,311,387.82
  5. Step 5: Solve for x
    x = 384,668,311,387.82/758,942.10
  6. Step 6: Final answer
    x = 506,848.03

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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.