Home / 861,376.46-1,292,251.80-262,322.24

Finding the Fourth Proportional to 861,376.46, 1,292,251.80 and 262,322.24

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Solution

The fourth proportional to 861,376.46, 1,292,251.80 and 262,322.24 is: 393,540.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,376.46 : 1,292,251.80 = 262,322.24 : x
  2. Step 2: Convert to fraction form
    861,376.46/1,292,251.80 = 262,322.24/x
  3. Step 3: Cross multiply
    861,376.46x = 1,292,251.80 × 262,322.24
  4. Step 4: Simplify right side
    861,376.46x = 338,986,380,358.77
  5. Step 5: Solve for x
    x = 338,986,380,358.77/861,376.46
  6. Step 6: Final answer
    x = 393,540.34

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1.5x scale

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.