Home / 765,714.24-1,148,490.72-204,805.44

Finding the Fourth Proportional to 765,714.24, 1,148,490.72 and 204,805.44

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Solution

The fourth proportional to 765,714.24, 1,148,490.72 and 204,805.44 is: 307,186.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,714.24 : 1,148,490.72 = 204,805.44 : x
  2. Step 2: Convert to fraction form
    765,714.24/1,148,490.72 = 204,805.44/x
  3. Step 3: Cross multiply
    765,714.24x = 1,148,490.72 × 204,805.44
  4. Step 4: Simplify right side
    765,714.24x = 235,217,147,245.52
  5. Step 5: Solve for x
    x = 235,217,147,245.52/765,714.24
  6. Step 6: Final answer
    x = 307,186.59

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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.