Home / 726,876.11-1,003,089.08-404,579.29

Finding the Fourth Proportional to 726,876.11, 1,003,089.08 and 404,579.29

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Solution

The fourth proportional to 726,876.11, 1,003,089.08 and 404,579.29 is: 558,319.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,876.11 : 1,003,089.08 = 404,579.29 : x
  2. Step 2: Convert to fraction form
    726,876.11/1,003,089.08 = 404,579.29/x
  3. Step 3: Cross multiply
    726,876.11x = 1,003,089.08 × 404,579.29
  4. Step 4: Simplify right side
    726,876.11x = 405,829,067,793.15
  5. Step 5: Solve for x
    x = 405,829,067,793.15/726,876.11
  6. Step 6: Final answer
    x = 558,319.45

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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.