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Finding the Fourth Proportional to 580,790, 871,217.84 and 206,813.04

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Solution

The fourth proportional to 580,790, 871,217.84 and 206,813.04 is: 310,231.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,790 : 871,217.84 = 206,813.04 : x
  2. Step 2: Convert to fraction form
    580,790/871,217.84 = 206,813.04/x
  3. Step 3: Cross multiply
    580,790x = 871,217.84 × 206,813.04
  4. Step 4: Simplify right side
    580,790x = 180,179,209,992.63
  5. Step 5: Solve for x
    x = 180,179,209,992.63/580,790
  6. Step 6: Final answer
    x = 310,231.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.