Home / 726,877.92-1,003,091.40-404,581.08

Finding the Fourth Proportional to 726,877.92, 1,003,091.40 and 404,581.08

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Solution

The fourth proportional to 726,877.92, 1,003,091.40 and 404,581.08 is: 558,321.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,877.92 : 1,003,091.40 = 404,581.08 : x
  2. Step 2: Convert to fraction form
    726,877.92/1,003,091.40 = 404,581.08/x
  3. Step 3: Cross multiply
    726,877.92x = 1,003,091.40 × 404,581.08
  4. Step 4: Simplify right side
    726,877.92x = 405,831,801,950.71
  5. Step 5: Solve for x
    x = 405,831,801,950.71/726,877.92
  6. Step 6: Final answer
    x = 558,321.82

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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.