Home / 775,120.29-1,162,605.22-235,381.21

Finding the Fourth Proportional to 775,120.29, 1,162,605.22 and 235,381.21

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Solution

The fourth proportional to 775,120.29, 1,162,605.22 and 235,381.21 is: 353,048.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,120.29 : 1,162,605.22 = 235,381.21 : x
  2. Step 2: Convert to fraction form
    775,120.29/1,162,605.22 = 235,381.21/x
  3. Step 3: Cross multiply
    775,120.29x = 1,162,605.22 × 235,381.21
  4. Step 4: Simplify right side
    775,120.29x = 273,655,423,435.92
  5. Step 5: Solve for x
    x = 273,655,423,435.92/775,120.29
  6. Step 6: Final answer
    x = 353,048.97

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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.