Home / 779,238.88-1,168,156.56-280,252

Finding the Fourth Proportional to 779,238.88, 1,168,156.56 and 280,252

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Solution

The fourth proportional to 779,238.88, 1,168,156.56 and 280,252 is: 420,125.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,238.88 : 1,168,156.56 = 280,252 : x
  2. Step 2: Convert to fraction form
    779,238.88/1,168,156.56 = 280,252/x
  3. Step 3: Cross multiply
    779,238.88x = 1,168,156.56 × 280,252
  4. Step 4: Simplify right side
    779,238.88x = 327,378,212,253.12
  5. Step 5: Solve for x
    x = 327,378,212,253.12/779,238.88
  6. Step 6: Final answer
    x = 420,125.61

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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.