Home / 727,171.68-1,090,807.38-247,204.20

Finding the Fourth Proportional to 727,171.68, 1,090,807.38 and 247,204.20

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Solution

The fourth proportional to 727,171.68, 1,090,807.38 and 247,204.20 is: 370,823.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,171.68 : 1,090,807.38 = 247,204.20 : x
  2. Step 2: Convert to fraction form
    727,171.68/1,090,807.38 = 247,204.20/x
  3. Step 3: Cross multiply
    727,171.68x = 1,090,807.38 × 247,204.20
  4. Step 4: Simplify right side
    727,171.68x = 269,652,165,727.00
  5. Step 5: Solve for x
    x = 269,652,165,727.00/727,171.68
  6. Step 6: Final answer
    x = 370,823.25

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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.