Home / 869,496.12-1,306,231.92-617,398.20

Finding the Fourth Proportional to 869,496.12, 1,306,231.92 and 617,398.20

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Solution

The fourth proportional to 869,496.12, 1,306,231.92 and 617,398.20 is: 927,508.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,496.12 : 1,306,231.92 = 617,398.20 : x
  2. Step 2: Convert to fraction form
    869,496.12/1,306,231.92 = 617,398.20/x
  3. Step 3: Cross multiply
    869,496.12x = 1,306,231.92 × 617,398.20
  4. Step 4: Simplify right side
    869,496.12x = 806,465,236,190.54
  5. Step 5: Solve for x
    x = 806,465,236,190.54/869,496.12
  6. Step 6: Final answer
    x = 927,508.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.