Home / 865,885.40-1,194,958.76-483,912.17

Finding the Fourth Proportional to 865,885.40, 1,194,958.76 and 483,912.17

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Solution

The fourth proportional to 865,885.40, 1,194,958.76 and 483,912.17 is: 667,819.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,885.40 : 1,194,958.76 = 483,912.17 : x
  2. Step 2: Convert to fraction form
    865,885.40/1,194,958.76 = 483,912.17/x
  3. Step 3: Cross multiply
    865,885.40x = 1,194,958.76 × 483,912.17
  4. Step 4: Simplify right side
    865,885.40x = 578,255,086,612.11
  5. Step 5: Solve for x
    x = 578,255,086,612.11/865,885.40
  6. Step 6: Final answer
    x = 667,819.42

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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.