Home / 471,140.20-704,926.92-279,117.72

Finding the Fourth Proportional to 471,140.20, 704,926.92 and 279,117.72

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Solution

The fourth proportional to 471,140.20, 704,926.92 and 279,117.72 is: 417,620.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,140.20 : 704,926.92 = 279,117.72 : x
  2. Step 2: Convert to fraction form
    471,140.20/704,926.92 = 279,117.72/x
  3. Step 3: Cross multiply
    471,140.20x = 704,926.92 × 279,117.72
  4. Step 4: Simplify right side
    471,140.20x = 196,757,594,153.68
  5. Step 5: Solve for x
    x = 196,757,594,153.68/471,140.20
  6. Step 6: Final answer
    x = 417,620.05

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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.