Home / 756,623.22-1,135,269.11-396,708.03

Finding the Fourth Proportional to 756,623.22, 1,135,269.11 and 396,708.03

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Solution

The fourth proportional to 756,623.22, 1,135,269.11 and 396,708.03 is: 595,237.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,623.22 : 1,135,269.11 = 396,708.03 : x
  2. Step 2: Convert to fraction form
    756,623.22/1,135,269.11 = 396,708.03/x
  3. Step 3: Cross multiply
    756,623.22x = 1,135,269.11 × 396,708.03
  4. Step 4: Simplify right side
    756,623.22x = 450,370,366,471.61
  5. Step 5: Solve for x
    x = 450,370,366,471.61/756,623.22
  6. Step 6: Final answer
    x = 595,237.30

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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.