Home / 680,921.28-1,019,825.28-326,185.92

Finding the Fourth Proportional to 680,921.28, 1,019,825.28 and 326,185.92

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Solution

The fourth proportional to 680,921.28, 1,019,825.28 and 326,185.92 is: 488,533.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,921.28 : 1,019,825.28 = 326,185.92 : x
  2. Step 2: Convert to fraction form
    680,921.28/1,019,825.28 = 326,185.92/x
  3. Step 3: Cross multiply
    680,921.28x = 1,019,825.28 × 326,185.92
  4. Step 4: Simplify right side
    680,921.28x = 332,652,647,196.06
  5. Step 5: Solve for x
    x = 332,652,647,196.06/680,921.28
  6. Step 6: Final answer
    x = 488,533.19

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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.