Home / 580,823.17-871,458.11-281,280.71

Finding the Fourth Proportional to 580,823.17, 871,458.11 and 281,280.71

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Solution

The fourth proportional to 580,823.17, 871,458.11 and 281,280.71 is: 422,029.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,823.17 : 871,458.11 = 281,280.71 : x
  2. Step 2: Convert to fraction form
    580,823.17/871,458.11 = 281,280.71/x
  3. Step 3: Cross multiply
    580,823.17x = 871,458.11 × 281,280.71
  4. Step 4: Simplify right side
    580,823.17x = 245,124,355,916.06
  5. Step 5: Solve for x
    x = 245,124,355,916.06/580,823.17
  6. Step 6: Final answer
    x = 422,029.23

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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.