Home / 581,279.14-871,106.73-281,680.21

Finding the Fourth Proportional to 581,279.14, 871,106.73 and 281,680.21

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Solution

The fourth proportional to 581,279.14, 871,106.73 and 281,680.21 is: 422,126.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,279.14 : 871,106.73 = 281,680.21 : x
  2. Step 2: Convert to fraction form
    581,279.14/871,106.73 = 281,680.21/x
  3. Step 3: Cross multiply
    581,279.14x = 871,106.73 × 281,680.21
  4. Step 4: Simplify right side
    581,279.14x = 245,373,526,638.81
  5. Step 5: Solve for x
    x = 245,373,526,638.81/581,279.14
  6. Step 6: Final answer
    x = 422,126.84

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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.