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Finding the Fourth Proportional to 580,855.19, 871,371.22 and 296,390.27

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Solution

The fourth proportional to 580,855.19, 871,371.22 and 296,390.27 is: 444,630.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,855.19 : 871,371.22 = 296,390.27 : x
  2. Step 2: Convert to fraction form
    580,855.19/871,371.22 = 296,390.27/x
  3. Step 3: Cross multiply
    580,855.19x = 871,371.22 × 296,390.27
  4. Step 4: Simplify right side
    580,855.19x = 258,265,953,159.21
  5. Step 5: Solve for x
    x = 258,265,953,159.21/580,855.19
  6. Step 6: Final answer
    x = 444,630.54

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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.