Home / 804,278.40-1,206,591.18-271,787.64

Finding the Fourth Proportional to 804,278.40, 1,206,591.18 and 271,787.64

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Solution

The fourth proportional to 804,278.40, 1,206,591.18 and 271,787.64 is: 407,740.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,278.40 : 1,206,591.18 = 271,787.64 : x
  2. Step 2: Convert to fraction form
    804,278.40/1,206,591.18 = 271,787.64/x
  3. Step 3: Cross multiply
    804,278.40x = 1,206,591.18 × 271,787.64
  4. Step 4: Simplify right side
    804,278.40x = 327,936,569,257.02
  5. Step 5: Solve for x
    x = 327,936,569,257.02/804,278.40
  6. Step 6: Final answer
    x = 407,740.12

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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.