Home / 804,957.72-1,110,787.86-442,373.78

Finding the Fourth Proportional to 804,957.72, 1,110,787.86 and 442,373.78

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Solution

The fourth proportional to 804,957.72, 1,110,787.86 and 442,373.78 is: 610,446.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,957.72 : 1,110,787.86 = 442,373.78 : x
  2. Step 2: Convert to fraction form
    804,957.72/1,110,787.86 = 442,373.78/x
  3. Step 3: Cross multiply
    804,957.72x = 1,110,787.86 × 442,373.78
  4. Step 4: Simplify right side
    804,957.72x = 491,383,424,406.31
  5. Step 5: Solve for x
    x = 491,383,424,406.31/804,957.72
  6. Step 6: Final answer
    x = 610,446.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.