Home / 726,033.41-1,087,305.96-405,397.34

Finding the Fourth Proportional to 726,033.41, 1,087,305.96 and 405,397.34

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Solution

The fourth proportional to 726,033.41, 1,087,305.96 and 405,397.34 is: 607,122.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,033.41 : 1,087,305.96 = 405,397.34 : x
  2. Step 2: Convert to fraction form
    726,033.41/1,087,305.96 = 405,397.34/x
  3. Step 3: Cross multiply
    726,033.41x = 1,087,305.96 × 405,397.34
  4. Step 4: Simplify right side
    726,033.41x = 440,790,943,950.15
  5. Step 5: Solve for x
    x = 440,790,943,950.15/726,033.41
  6. Step 6: Final answer
    x = 607,122.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.