Home / 461,787.54-691,966.86-311,438.58

Finding the Fourth Proportional to 461,787.54, 691,966.86 and 311,438.58

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Solution

The fourth proportional to 461,787.54, 691,966.86 and 311,438.58 is: 466,676.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,787.54 : 691,966.86 = 311,438.58 : x
  2. Step 2: Convert to fraction form
    461,787.54/691,966.86 = 311,438.58/x
  3. Step 3: Cross multiply
    461,787.54x = 691,966.86 × 311,438.58
  4. Step 4: Simplify right side
    461,787.54x = 215,505,176,285.46
  5. Step 5: Solve for x
    x = 215,505,176,285.46/461,787.54
  6. Step 6: Final answer
    x = 466,676.03

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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.