Home / 727,854.12-1,092,119.36-278,426.43

Finding the Fourth Proportional to 727,854.12, 1,092,119.36 and 278,426.43

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Solution

The fourth proportional to 727,854.12, 1,092,119.36 and 278,426.43 is: 417,769.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,854.12 : 1,092,119.36 = 278,426.43 : x
  2. Step 2: Convert to fraction form
    727,854.12/1,092,119.36 = 278,426.43/x
  3. Step 3: Cross multiply
    727,854.12x = 1,092,119.36 × 278,426.43
  4. Step 4: Simplify right side
    727,854.12x = 304,074,893,146.55
  5. Step 5: Solve for x
    x = 304,074,893,146.55/727,854.12
  6. Step 6: Final answer
    x = 417,769.01

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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.