Home / 727,825.20-1,092,126.60-328,527.60

Finding the Fourth Proportional to 727,825.20, 1,092,126.60 and 328,527.60

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Solution

The fourth proportional to 727,825.20, 1,092,126.60 and 328,527.60 is: 492,966.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,825.20 : 1,092,126.60 = 328,527.60 : x
  2. Step 2: Convert to fraction form
    727,825.20/1,092,126.60 = 328,527.60/x
  3. Step 3: Cross multiply
    727,825.20x = 1,092,126.60 × 328,527.60
  4. Step 4: Simplify right side
    727,825.20x = 358,793,730,794.16
  5. Step 5: Solve for x
    x = 358,793,730,794.16/727,825.20
  6. Step 6: Final answer
    x = 492,966.90

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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.