Home / 724,443.87-1,086,435.07-238,013.08

Finding the Fourth Proportional to 724,443.87, 1,086,435.07 and 238,013.08

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Solution

The fourth proportional to 724,443.87, 1,086,435.07 and 238,013.08 is: 356,943.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,443.87 : 1,086,435.07 = 238,013.08 : x
  2. Step 2: Convert to fraction form
    724,443.87/1,086,435.07 = 238,013.08/x
  3. Step 3: Cross multiply
    724,443.87x = 1,086,435.07 × 238,013.08
  4. Step 4: Simplify right side
    724,443.87x = 258,585,753,919.60
  5. Step 5: Solve for x
    x = 258,585,753,919.60/724,443.87
  6. Step 6: Final answer
    x = 356,943.81

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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.