Home / 711,833.27-982,329.92-389,543.37

Finding the Fourth Proportional to 711,833.27, 982,329.92 and 389,543.37

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Solution

The fourth proportional to 711,833.27, 982,329.92 and 389,543.37 is: 537,569.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,833.27 : 982,329.92 = 389,543.37 : x
  2. Step 2: Convert to fraction form
    711,833.27/982,329.92 = 389,543.37/x
  3. Step 3: Cross multiply
    711,833.27x = 982,329.92 × 389,543.37
  4. Step 4: Simplify right side
    711,833.27x = 382,660,105,540.91
  5. Step 5: Solve for x
    x = 382,660,105,540.91/711,833.27
  6. Step 6: Final answer
    x = 537,569.86

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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.