Home / 820,833.38-1,132,769.12-514,922.64

Finding the Fourth Proportional to 820,833.38, 1,132,769.12 and 514,922.64

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Solution

The fourth proportional to 820,833.38, 1,132,769.12 and 514,922.64 is: 710,605.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,833.38 : 1,132,769.12 = 514,922.64 : x
  2. Step 2: Convert to fraction form
    820,833.38/1,132,769.12 = 514,922.64/x
  3. Step 3: Cross multiply
    820,833.38x = 1,132,769.12 × 514,922.64
  4. Step 4: Simplify right side
    820,833.38x = 583,288,465,780.88
  5. Step 5: Solve for x
    x = 583,288,465,780.88/820,833.38
  6. Step 6: Final answer
    x = 710,605.20

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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.