Home / 775,724.74-1,163,217.27-270,223.54

Finding the Fourth Proportional to 775,724.74, 1,163,217.27 and 270,223.54

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Solution

The fourth proportional to 775,724.74, 1,163,217.27 and 270,223.54 is: 405,206.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,724.74 : 1,163,217.27 = 270,223.54 : x
  2. Step 2: Convert to fraction form
    775,724.74/1,163,217.27 = 270,223.54/x
  3. Step 3: Cross multiply
    775,724.74x = 1,163,217.27 × 270,223.54
  4. Step 4: Simplify right side
    775,724.74x = 314,328,688,488.54
  5. Step 5: Solve for x
    x = 314,328,688,488.54/775,724.74
  6. Step 6: Final answer
    x = 405,206.48

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1.5x scale

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.