Home / 726,878.11-1,003,091.84-404,581.29

Finding the Fourth Proportional to 726,878.11, 1,003,091.84 and 404,581.29

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Solution

The fourth proportional to 726,878.11, 1,003,091.84 and 404,581.29 is: 558,322.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,878.11 : 1,003,091.84 = 404,581.29 : x
  2. Step 2: Convert to fraction form
    726,878.11/1,003,091.84 = 404,581.29/x
  3. Step 3: Cross multiply
    726,878.11x = 1,003,091.84 × 404,581.29
  4. Step 4: Simplify right side
    726,878.11x = 405,832,190,615.67
  5. Step 5: Solve for x
    x = 405,832,190,615.67/726,878.11
  6. Step 6: Final answer
    x = 558,322.21

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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.