Home / 775,223.08-1,161,650.52-325,698.20

Finding the Fourth Proportional to 775,223.08, 1,161,650.52 and 325,698.20

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Solution

The fourth proportional to 775,223.08, 1,161,650.52 and 325,698.20 is: 488,049.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,223.08 : 1,161,650.52 = 325,698.20 : x
  2. Step 2: Convert to fraction form
    775,223.08/1,161,650.52 = 325,698.20/x
  3. Step 3: Cross multiply
    775,223.08x = 1,161,650.52 × 325,698.20
  4. Step 4: Simplify right side
    775,223.08x = 378,347,483,393.06
  5. Step 5: Solve for x
    x = 378,347,483,393.06/775,223.08
  6. Step 6: Final answer
    x = 488,049.82

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Double scale
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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.