Home / 781,236.66-1,171,948.74-275,693.25

Finding the Fourth Proportional to 781,236.66, 1,171,948.74 and 275,693.25

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Solution

The fourth proportional to 781,236.66, 1,171,948.74 and 275,693.25 is: 413,572.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,236.66 : 1,171,948.74 = 275,693.25 : x
  2. Step 2: Convert to fraction form
    781,236.66/1,171,948.74 = 275,693.25/x
  3. Step 3: Cross multiply
    781,236.66x = 1,171,948.74 × 275,693.25
  4. Step 4: Simplify right side
    781,236.66x = 323,098,356,964.01
  5. Step 5: Solve for x
    x = 323,098,356,964.01/781,236.66
  6. Step 6: Final answer
    x = 413,572.96

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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.