Home / 890,082.72-1,335,251.34-274,638.96

Finding the Fourth Proportional to 890,082.72, 1,335,251.34 and 274,638.96

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Solution

The fourth proportional to 890,082.72, 1,335,251.34 and 274,638.96 is: 411,997.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,082.72 : 1,335,251.34 = 274,638.96 : x
  2. Step 2: Convert to fraction form
    890,082.72/1,335,251.34 = 274,638.96/x
  3. Step 3: Cross multiply
    890,082.72x = 1,335,251.34 × 274,638.96
  4. Step 4: Simplify right side
    890,082.72x = 366,712,039,356.21
  5. Step 5: Solve for x
    x = 366,712,039,356.21/890,082.72
  6. Step 6: Final answer
    x = 411,997.71

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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.