Home / 780,446.88-1,170,534.24-219,348

Finding the Fourth Proportional to 780,446.88, 1,170,534.24 and 219,348

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Solution

The fourth proportional to 780,446.88, 1,170,534.24 and 219,348 is: 328,983.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,446.88 : 1,170,534.24 = 219,348 : x
  2. Step 2: Convert to fraction form
    780,446.88/1,170,534.24 = 219,348/x
  3. Step 3: Cross multiply
    780,446.88x = 1,170,534.24 × 219,348
  4. Step 4: Simplify right side
    780,446.88x = 256,754,344,475.52
  5. Step 5: Solve for x
    x = 256,754,344,475.52/780,446.88
  6. Step 6: Final answer
    x = 328,983.75

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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.