Home / 674,639.46-1,011,963.54-269,865.48

Finding the Fourth Proportional to 674,639.46, 1,011,963.54 and 269,865.48

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Solution

The fourth proportional to 674,639.46, 1,011,963.54 and 269,865.48 is: 404,799.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,639.46 : 1,011,963.54 = 269,865.48 : x
  2. Step 2: Convert to fraction form
    674,639.46/1,011,963.54 = 269,865.48/x
  3. Step 3: Cross multiply
    674,639.46x = 1,011,963.54 × 269,865.48
  4. Step 4: Simplify right side
    674,639.46x = 273,094,026,464.60
  5. Step 5: Solve for x
    x = 273,094,026,464.60/674,639.46
  6. Step 6: Final answer
    x = 404,799.96

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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.