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Finding the Fourth Proportional to 580,875.88, 871,367.58 and 225,916.84

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Solution

The fourth proportional to 580,875.88, 871,367.58 and 225,916.84 is: 338,896.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,875.88 : 871,367.58 = 225,916.84 : x
  2. Step 2: Convert to fraction form
    580,875.88/871,367.58 = 225,916.84/x
  3. Step 3: Cross multiply
    580,875.88x = 871,367.58 × 225,916.84
  4. Step 4: Simplify right side
    580,875.88x = 196,856,610,152.05
  5. Step 5: Solve for x
    x = 196,856,610,152.05/580,875.88
  6. Step 6: Final answer
    x = 338,896.17

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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.