Home / 726,871.93-1,003,083.14-404,575.05

Finding the Fourth Proportional to 726,871.93, 1,003,083.14 and 404,575.05

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Solution

The fourth proportional to 726,871.93, 1,003,083.14 and 404,575.05 is: 558,313.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,871.93 : 1,003,083.14 = 404,575.05 : x
  2. Step 2: Convert to fraction form
    726,871.93/1,003,083.14 = 404,575.05/x
  3. Step 3: Cross multiply
    726,871.93x = 1,003,083.14 × 404,575.05
  4. Step 4: Simplify right side
    726,871.93x = 405,822,416,292.66
  5. Step 5: Solve for x
    x = 405,822,416,292.66/726,871.93
  6. Step 6: Final answer
    x = 558,313.51

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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.