Home / 781,114.92-1,171,829.10-331,832.22

Finding the Fourth Proportional to 781,114.92, 1,171,829.10 and 331,832.22

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Solution

The fourth proportional to 781,114.92, 1,171,829.10 and 331,832.22 is: 497,814.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,114.92 : 1,171,829.10 = 331,832.22 : x
  2. Step 2: Convert to fraction form
    781,114.92/1,171,829.10 = 331,832.22/x
  3. Step 3: Cross multiply
    781,114.92x = 1,171,829.10 × 331,832.22
  4. Step 4: Simplify right side
    781,114.92x = 388,850,651,713.60
  5. Step 5: Solve for x
    x = 388,850,651,713.60/781,114.92
  6. Step 6: Final answer
    x = 497,814.91

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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.