Home / 781,500.74-1,172,238.30-249,014.54

Finding the Fourth Proportional to 781,500.74, 1,172,238.30 and 249,014.54

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Solution

The fourth proportional to 781,500.74, 1,172,238.30 and 249,014.54 is: 373,517.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,500.74 : 1,172,238.30 = 249,014.54 : x
  2. Step 2: Convert to fraction form
    781,500.74/1,172,238.30 = 249,014.54/x
  3. Step 3: Cross multiply
    781,500.74x = 1,172,238.30 × 249,014.54
  4. Step 4: Simplify right side
    781,500.74x = 291,904,375,183.69
  5. Step 5: Solve for x
    x = 291,904,375,183.69/781,500.74
  6. Step 6: Final answer
    x = 373,517.72

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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.