Home / 656,229.28-905,624.30-365,840.79

Finding the Fourth Proportional to 656,229.28, 905,624.30 and 365,840.79

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Solution

The fourth proportional to 656,229.28, 905,624.30 and 365,840.79 is: 504,875.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,229.28 : 905,624.30 = 365,840.79 : x
  2. Step 2: Convert to fraction form
    656,229.28/905,624.30 = 365,840.79/x
  3. Step 3: Cross multiply
    656,229.28x = 905,624.30 × 365,840.79
  4. Step 4: Simplify right side
    656,229.28x = 331,314,302,997.87
  5. Step 5: Solve for x
    x = 331,314,302,997.87/656,229.28
  6. Step 6: Final answer
    x = 504,875.83

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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.