Home / 881,061.65-1,321,757.87-281,861.93

Finding the Fourth Proportional to 881,061.65, 1,321,757.87 and 281,861.93

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Solution

The fourth proportional to 881,061.65, 1,321,757.87 and 281,861.93 is: 422,845.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,061.65 : 1,321,757.87 = 281,861.93 : x
  2. Step 2: Convert to fraction form
    881,061.65/1,321,757.87 = 281,861.93/x
  3. Step 3: Cross multiply
    881,061.65x = 1,321,757.87 × 281,861.93
  4. Step 4: Simplify right side
    881,061.65x = 372,553,221,069.30
  5. Step 5: Solve for x
    x = 372,553,221,069.30/881,061.65
  6. Step 6: Final answer
    x = 422,845.80

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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.