Home / 865,961.96-1,298,819.10-297,332.42

Finding the Fourth Proportional to 865,961.96, 1,298,819.10 and 297,332.42

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Solution

The fourth proportional to 865,961.96, 1,298,819.10 and 297,332.42 is: 445,956.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,961.96 : 1,298,819.10 = 297,332.42 : x
  2. Step 2: Convert to fraction form
    865,961.96/1,298,819.10 = 297,332.42/x
  3. Step 3: Cross multiply
    865,961.96x = 1,298,819.10 × 297,332.42
  4. Step 4: Simplify right side
    865,961.96x = 386,181,026,145.22
  5. Step 5: Solve for x
    x = 386,181,026,145.22/865,961.96
  6. Step 6: Final answer
    x = 445,956.11

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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.