Home / 314,023.10-471,034.65-279,616.70

Finding the Fourth Proportional to 314,023.10, 471,034.65 and 279,616.70

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Solution

The fourth proportional to 314,023.10, 471,034.65 and 279,616.70 is: 419,425.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,023.10 : 471,034.65 = 279,616.70 : x
  2. Step 2: Convert to fraction form
    314,023.10/471,034.65 = 279,616.70/x
  3. Step 3: Cross multiply
    314,023.10x = 471,034.65 × 279,616.70
  4. Step 4: Simplify right side
    314,023.10x = 131,709,154,418.66
  5. Step 5: Solve for x
    x = 131,709,154,418.66/314,023.10
  6. Step 6: Final answer
    x = 419,425.05

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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.