Home / 581,278.14-871,105.23-281,679.21

Finding the Fourth Proportional to 581,278.14, 871,105.23 and 281,679.21

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Solution

The fourth proportional to 581,278.14, 871,105.23 and 281,679.21 is: 422,125.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,278.14 : 871,105.23 = 281,679.21 : x
  2. Step 2: Convert to fraction form
    581,278.14/871,105.23 = 281,679.21/x
  3. Step 3: Cross multiply
    581,278.14x = 871,105.23 × 281,679.21
  4. Step 4: Simplify right side
    581,278.14x = 245,372,233,013.27
  5. Step 5: Solve for x
    x = 245,372,233,013.27/581,278.14
  6. Step 6: Final answer
    x = 422,125.34

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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.