Home / 495,233.35-681,891.78-386,775.79

Finding the Fourth Proportional to 495,233.35, 681,891.78 and 386,775.79

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Solution

The fourth proportional to 495,233.35, 681,891.78 and 386,775.79 is: 532,555.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,233.35 : 681,891.78 = 386,775.79 : x
  2. Step 2: Convert to fraction form
    495,233.35/681,891.78 = 386,775.79/x
  3. Step 3: Cross multiply
    495,233.35x = 681,891.78 × 386,775.79
  4. Step 4: Simplify right side
    495,233.35x = 263,739,231,904.01
  5. Step 5: Solve for x
    x = 263,739,231,904.01/495,233.35
  6. Step 6: Final answer
    x = 532,555.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.