Home / 680,194.08-1,019,853.72-325,200.24

Finding the Fourth Proportional to 680,194.08, 1,019,853.72 and 325,200.24

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Solution

The fourth proportional to 680,194.08, 1,019,853.72 and 325,200.24 is: 487,591.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,194.08 : 1,019,853.72 = 325,200.24 : x
  2. Step 2: Convert to fraction form
    680,194.08/1,019,853.72 = 325,200.24/x
  3. Step 3: Cross multiply
    680,194.08x = 1,019,853.72 × 325,200.24
  4. Step 4: Simplify right side
    680,194.08x = 331,656,674,508.89
  5. Step 5: Solve for x
    x = 331,656,674,508.89/680,194.08
  6. Step 6: Final answer
    x = 487,591.24

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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.