Home / 951,561.50-1,313,034.18-521,728.52

Finding the Fourth Proportional to 951,561.50, 1,313,034.18 and 521,728.52

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Solution

The fourth proportional to 951,561.50, 1,313,034.18 and 521,728.52 is: 719,919.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,561.50 : 1,313,034.18 = 521,728.52 : x
  2. Step 2: Convert to fraction form
    951,561.50/1,313,034.18 = 521,728.52/x
  3. Step 3: Cross multiply
    951,561.50x = 1,313,034.18 × 521,728.52
  4. Step 4: Simplify right side
    951,561.50x = 685,047,379,440.81
  5. Step 5: Solve for x
    x = 685,047,379,440.81/951,561.50
  6. Step 6: Final answer
    x = 719,919.18

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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.