Home / 712,813.52-983,674.46-386,120.29

Finding the Fourth Proportional to 712,813.52, 983,674.46 and 386,120.29

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Solution

The fourth proportional to 712,813.52, 983,674.46 and 386,120.29 is: 532,841.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,813.52 : 983,674.46 = 386,120.29 : x
  2. Step 2: Convert to fraction form
    712,813.52/983,674.46 = 386,120.29/x
  3. Step 3: Cross multiply
    712,813.52x = 983,674.46 × 386,120.29
  4. Step 4: Simplify right side
    712,813.52x = 379,816,667,760.79
  5. Step 5: Solve for x
    x = 379,816,667,760.79/712,813.52
  6. Step 6: Final answer
    x = 532,841.56

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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.