Home / 627,261.24-940,886.10-253,278.84

Finding the Fourth Proportional to 627,261.24, 940,886.10 and 253,278.84

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Solution

The fourth proportional to 627,261.24, 940,886.10 and 253,278.84 is: 379,915.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,261.24 : 940,886.10 = 253,278.84 : x
  2. Step 2: Convert to fraction form
    627,261.24/940,886.10 = 253,278.84/x
  3. Step 3: Cross multiply
    627,261.24x = 940,886.10 × 253,278.84
  4. Step 4: Simplify right side
    627,261.24x = 238,306,539,980.12
  5. Step 5: Solve for x
    x = 238,306,539,980.12/627,261.24
  6. Step 6: Final answer
    x = 379,915.93

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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.