Home / 876,825.88-1,315,275.27-277,773.78

Finding the Fourth Proportional to 876,825.88, 1,315,275.27 and 277,773.78

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Solution

The fourth proportional to 876,825.88, 1,315,275.27 and 277,773.78 is: 416,672.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,825.88 : 1,315,275.27 = 277,773.78 : x
  2. Step 2: Convert to fraction form
    876,825.88/1,315,275.27 = 277,773.78/x
  3. Step 3: Cross multiply
    876,825.88x = 1,315,275.27 × 277,773.78
  4. Step 4: Simplify right side
    876,825.88x = 365,348,976,912.04
  5. Step 5: Solve for x
    x = 365,348,976,912.04/876,825.88
  6. Step 6: Final answer
    x = 416,672.21

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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.