Home / 626,422.12-864,463.08-339,942.22

Finding the Fourth Proportional to 626,422.12, 864,463.08 and 339,942.22

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Solution

The fourth proportional to 626,422.12, 864,463.08 and 339,942.22 is: 469,120.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,422.12 : 864,463.08 = 339,942.22 : x
  2. Step 2: Convert to fraction form
    626,422.12/864,463.08 = 339,942.22/x
  3. Step 3: Cross multiply
    626,422.12x = 864,463.08 × 339,942.22
  4. Step 4: Simplify right side
    626,422.12x = 293,867,498,523.24
  5. Step 5: Solve for x
    x = 293,867,498,523.24/626,422.12
  6. Step 6: Final answer
    x = 469,120.56

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1.5x scale

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.