Home / 494,723.80-742,085.70-444,860.20

Finding the Fourth Proportional to 494,723.80, 742,085.70 and 444,860.20

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Solution

The fourth proportional to 494,723.80, 742,085.70 and 444,860.20 is: 667,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,723.80 : 742,085.70 = 444,860.20 : x
  2. Step 2: Convert to fraction form
    494,723.80/742,085.70 = 444,860.20/x
  3. Step 3: Cross multiply
    494,723.80x = 742,085.70 × 444,860.20
  4. Step 4: Simplify right side
    494,723.80x = 330,124,392,919.14
  5. Step 5: Solve for x
    x = 330,124,392,919.14/494,723.80
  6. Step 6: Final answer
    x = 667,290.30

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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.