Home / 471,629.24-650,904.78-278,080.76

Finding the Fourth Proportional to 471,629.24, 650,904.78 and 278,080.76

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Solution

The fourth proportional to 471,629.24, 650,904.78 and 278,080.76 is: 383,784.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,629.24 : 650,904.78 = 278,080.76 : x
  2. Step 2: Convert to fraction form
    471,629.24/650,904.78 = 278,080.76/x
  3. Step 3: Cross multiply
    471,629.24x = 650,904.78 × 278,080.76
  4. Step 4: Simplify right side
    471,629.24x = 181,004,095,910.03
  5. Step 5: Solve for x
    x = 181,004,095,910.03/471,629.24
  6. Step 6: Final answer
    x = 383,784.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.