Home / 704,523.33-1,055,424.92-420,440.90

Finding the Fourth Proportional to 704,523.33, 1,055,424.92 and 420,440.90

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Solution

The fourth proportional to 704,523.33, 1,055,424.92 and 420,440.90 is: 629,849.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,523.33 : 1,055,424.92 = 420,440.90 : x
  2. Step 2: Convert to fraction form
    704,523.33/1,055,424.92 = 420,440.90/x
  3. Step 3: Cross multiply
    704,523.33x = 1,055,424.92 × 420,440.90
  4. Step 4: Simplify right side
    704,523.33x = 443,743,795,867.90
  5. Step 5: Solve for x
    x = 443,743,795,867.90/704,523.33
  6. Step 6: Final answer
    x = 629,849.68

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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.