Home / 781,201.44-1,171,847.85-301,431.81

Finding the Fourth Proportional to 781,201.44, 1,171,847.85 and 301,431.81

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Solution

The fourth proportional to 781,201.44, 1,171,847.85 and 301,431.81 is: 452,165.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,201.44 : 1,171,847.85 = 301,431.81 : x
  2. Step 2: Convert to fraction form
    781,201.44/1,171,847.85 = 301,431.81/x
  3. Step 3: Cross multiply
    781,201.44x = 1,171,847.85 × 301,431.81
  4. Step 4: Simplify right side
    781,201.44x = 353,232,218,470.11
  5. Step 5: Solve for x
    x = 353,232,218,470.11/781,201.44
  6. Step 6: Final answer
    x = 452,165.34

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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.