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Finding the Fourth Proportional to 580,791.08, 871,410.02 and 281,248.62

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Solution

The fourth proportional to 580,791.08, 871,410.02 and 281,248.62 is: 421,981.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,791.08 : 871,410.02 = 281,248.62 : x
  2. Step 2: Convert to fraction form
    580,791.08/871,410.02 = 281,248.62/x
  3. Step 3: Cross multiply
    580,791.08x = 871,410.02 × 281,248.62
  4. Step 4: Simplify right side
    580,791.08x = 245,082,864,172.93
  5. Step 5: Solve for x
    x = 245,082,864,172.93/580,791.08
  6. Step 6: Final answer
    x = 421,981.11

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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.