Home / 392,110.30-588,748.65-303,463.90

Finding the Fourth Proportional to 392,110.30, 588,748.65 and 303,463.90

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Solution

The fourth proportional to 392,110.30, 588,748.65 and 303,463.90 is: 455,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,110.30 : 588,748.65 = 303,463.90 : x
  2. Step 2: Convert to fraction form
    392,110.30/588,748.65 = 303,463.90/x
  3. Step 3: Cross multiply
    392,110.30x = 588,748.65 × 303,463.90
  4. Step 4: Simplify right side
    392,110.30x = 178,663,961,448.74
  5. Step 5: Solve for x
    x = 178,663,961,448.74/392,110.30
  6. Step 6: Final answer
    x = 455,647.20

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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.