Home / 876,428.26-1,314,787.73-307,661.85

Finding the Fourth Proportional to 876,428.26, 1,314,787.73 and 307,661.85

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Solution

The fourth proportional to 876,428.26, 1,314,787.73 and 307,661.85 is: 461,543.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,428.26 : 1,314,787.73 = 307,661.85 : x
  2. Step 2: Convert to fraction form
    876,428.26/1,314,787.73 = 307,661.85/x
  3. Step 3: Cross multiply
    876,428.26x = 1,314,787.73 × 307,661.85
  4. Step 4: Simplify right side
    876,428.26x = 404,510,023,830.79
  5. Step 5: Solve for x
    x = 404,510,023,830.79/876,428.26
  6. Step 6: Final answer
    x = 461,543.79

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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.