Home / 726,875.11-1,003,087.70-404,578.29

Finding the Fourth Proportional to 726,875.11, 1,003,087.70 and 404,578.29

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Solution

The fourth proportional to 726,875.11, 1,003,087.70 and 404,578.29 is: 558,318.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,875.11 : 1,003,087.70 = 404,578.29 : x
  2. Step 2: Convert to fraction form
    726,875.11/1,003,087.70 = 404,578.29/x
  3. Step 3: Cross multiply
    726,875.11x = 1,003,087.70 × 404,578.29
  4. Step 4: Simplify right side
    726,875.11x = 405,827,509,641.89
  5. Step 5: Solve for x
    x = 405,827,509,641.89/726,875.11
  6. Step 6: Final answer
    x = 558,318.07

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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.