Home / 804,277.20-1,206,853.20-331,010.40

Finding the Fourth Proportional to 804,277.20, 1,206,853.20 and 331,010.40

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Solution

The fourth proportional to 804,277.20, 1,206,853.20 and 331,010.40 is: 496,695.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,277.20 : 1,206,853.20 = 331,010.40 : x
  2. Step 2: Convert to fraction form
    804,277.20/1,206,853.20 = 331,010.40/x
  3. Step 3: Cross multiply
    804,277.20x = 1,206,853.20 × 331,010.40
  4. Step 4: Simplify right side
    804,277.20x = 399,480,960,473.28
  5. Step 5: Solve for x
    x = 399,480,960,473.28/804,277.20
  6. Step 6: Final answer
    x = 496,695.62

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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.