Home / 727,185.44-1,088,120.92-427,807.01

Finding the Fourth Proportional to 727,185.44, 1,088,120.92 and 427,807.01

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Solution

The fourth proportional to 727,185.44, 1,088,120.92 and 427,807.01 is: 640,147.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,185.44 : 1,088,120.92 = 427,807.01 : x
  2. Step 2: Convert to fraction form
    727,185.44/1,088,120.92 = 427,807.01/x
  3. Step 3: Cross multiply
    727,185.44x = 1,088,120.92 × 427,807.01
  4. Step 4: Simplify right side
    727,185.44x = 465,505,750,793.53
  5. Step 5: Solve for x
    x = 465,505,750,793.53/727,185.44
  6. Step 6: Final answer
    x = 640,147.24

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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.