Home / 680,078.08-1,019,679.72-325,084.24

Finding the Fourth Proportional to 680,078.08, 1,019,679.72 and 325,084.24

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Solution

The fourth proportional to 680,078.08, 1,019,679.72 and 325,084.24 is: 487,417.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,078.08 : 1,019,679.72 = 325,084.24 : x
  2. Step 2: Convert to fraction form
    680,078.08/1,019,679.72 = 325,084.24/x
  3. Step 3: Cross multiply
    680,078.08x = 1,019,679.72 × 325,084.24
  4. Step 4: Simplify right side
    680,078.08x = 331,481,806,819.61
  5. Step 5: Solve for x
    x = 331,481,806,819.61/680,078.08
  6. Step 6: Final answer
    x = 487,417.28

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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.