Home / 820,269.24-1,132,049.76-497,905.44

Finding the Fourth Proportional to 820,269.24, 1,132,049.76 and 497,905.44

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Solution

The fourth proportional to 820,269.24, 1,132,049.76 and 497,905.44 is: 687,156.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,269.24 : 1,132,049.76 = 497,905.44 : x
  2. Step 2: Convert to fraction form
    820,269.24/1,132,049.76 = 497,905.44/x
  3. Step 3: Cross multiply
    820,269.24x = 1,132,049.76 × 497,905.44
  4. Step 4: Simplify right side
    820,269.24x = 563,653,733,854.70
  5. Step 5: Solve for x
    x = 563,653,733,854.70/820,269.24
  6. Step 6: Final answer
    x = 687,156.98

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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.