Home / 785,141.24-1,177,068.32-279,414.24

Finding the Fourth Proportional to 785,141.24, 1,177,068.32 and 279,414.24

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Solution

The fourth proportional to 785,141.24, 1,177,068.32 and 279,414.24 is: 418,892.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,141.24 : 1,177,068.32 = 279,414.24 : x
  2. Step 2: Convert to fraction form
    785,141.24/1,177,068.32 = 279,414.24/x
  3. Step 3: Cross multiply
    785,141.24x = 1,177,068.32 × 279,414.24
  4. Step 4: Simplify right side
    785,141.24x = 328,889,644,862.88
  5. Step 5: Solve for x
    x = 328,889,644,862.88/785,141.24
  6. Step 6: Final answer
    x = 418,892.33

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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.