Home / 868,997.35-1,199,290.15-487,097.94

Finding the Fourth Proportional to 868,997.35, 1,199,290.15 and 487,097.94

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Solution

The fourth proportional to 868,997.35, 1,199,290.15 and 487,097.94 is: 672,236.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,997.35 : 1,199,290.15 = 487,097.94 : x
  2. Step 2: Convert to fraction form
    868,997.35/1,199,290.15 = 487,097.94/x
  3. Step 3: Cross multiply
    868,997.35x = 1,199,290.15 × 487,097.94
  4. Step 4: Simplify right side
    868,997.35x = 584,171,753,095.35
  5. Step 5: Solve for x
    x = 584,171,753,095.35/868,997.35
  6. Step 6: Final answer
    x = 672,236.52

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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.