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Finding the Fourth Proportional to 655,249.80, 904,523.72 and 440,514.42

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Solution

The fourth proportional to 655,249.80, 904,523.72 and 440,514.42 is: 608,097.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,249.80 : 904,523.72 = 440,514.42 : x
  2. Step 2: Convert to fraction form
    655,249.80/904,523.72 = 440,514.42/x
  3. Step 3: Cross multiply
    655,249.80x = 904,523.72 × 440,514.42
  4. Step 4: Simplify right side
    655,249.80x = 398,455,739,689.47
  5. Step 5: Solve for x
    x = 398,455,739,689.47/655,249.80
  6. Step 6: Final answer
    x = 608,097.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.