Home / 806,723.20-1,208,335.20-666,755.20

Finding the Fourth Proportional to 806,723.20, 1,208,335.20 and 666,755.20

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Solution

The fourth proportional to 806,723.20, 1,208,335.20 and 666,755.20 is: 998,686.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,723.20 : 1,208,335.20 = 666,755.20 : x
  2. Step 2: Convert to fraction form
    806,723.20/1,208,335.20 = 666,755.20/x
  3. Step 3: Cross multiply
    806,723.20x = 1,208,335.20 × 666,755.20
  4. Step 4: Simplify right side
    806,723.20x = 805,663,777,943.04
  5. Step 5: Solve for x
    x = 805,663,777,943.04/806,723.20
  6. Step 6: Final answer
    x = 998,686.76

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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.