Home / 781,237.16-1,171,949.49-275,693.75

Finding the Fourth Proportional to 781,237.16, 1,171,949.49 and 275,693.75

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Solution

The fourth proportional to 781,237.16, 1,171,949.49 and 275,693.75 is: 413,573.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,237.16 : 1,171,949.49 = 275,693.75 : x
  2. Step 2: Convert to fraction form
    781,237.16/1,171,949.49 = 275,693.75/x
  3. Step 3: Cross multiply
    781,237.16x = 1,171,949.49 × 275,693.75
  4. Step 4: Simplify right side
    781,237.16x = 323,099,149,708.69
  5. Step 5: Solve for x
    x = 323,099,149,708.69/781,237.16
  6. Step 6: Final answer
    x = 413,573.71

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1.5x scale

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.