Home / 727,817.20-1,092,114.60-328,519.60

Finding the Fourth Proportional to 727,817.20, 1,092,114.60 and 328,519.60

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Solution

The fourth proportional to 727,817.20, 1,092,114.60 and 328,519.60 is: 492,954.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,817.20 : 1,092,114.60 = 328,519.60 : x
  2. Step 2: Convert to fraction form
    727,817.20/1,092,114.60 = 328,519.60/x
  3. Step 3: Cross multiply
    727,817.20x = 1,092,114.60 × 328,519.60
  4. Step 4: Simplify right side
    727,817.20x = 358,781,051,546.16
  5. Step 5: Solve for x
    x = 358,781,051,546.16/727,817.20
  6. Step 6: Final answer
    x = 492,954.90

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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.