Home / 727,154.32-1,090,781.28-247,186.80

Finding the Fourth Proportional to 727,154.32, 1,090,781.28 and 247,186.80

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Solution

The fourth proportional to 727,154.32, 1,090,781.28 and 247,186.80 is: 370,797.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,154.32 : 1,090,781.28 = 247,186.80 : x
  2. Step 2: Convert to fraction form
    727,154.32/1,090,781.28 = 247,186.80/x
  3. Step 3: Cross multiply
    727,154.32x = 1,090,781.28 × 247,186.80
  4. Step 4: Simplify right side
    727,154.32x = 269,626,734,103.10
  5. Step 5: Solve for x
    x = 269,626,734,103.10/727,154.32
  6. Step 6: Final answer
    x = 370,797.13

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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.