Home / 775,084.77-1,161,999.81-242,331.57

Finding the Fourth Proportional to 775,084.77, 1,161,999.81 and 242,331.57

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Solution

The fourth proportional to 775,084.77, 1,161,999.81 and 242,331.57 is: 363,301.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,084.77 : 1,161,999.81 = 242,331.57 : x
  2. Step 2: Convert to fraction form
    775,084.77/1,161,999.81 = 242,331.57/x
  3. Step 3: Cross multiply
    775,084.77x = 1,161,999.81 × 242,331.57
  4. Step 4: Simplify right side
    775,084.77x = 281,589,238,297.00
  5. Step 5: Solve for x
    x = 281,589,238,297.00/775,084.77
  6. Step 6: Final answer
    x = 363,301.21

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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.