Home / 925,614.34-1,388,452.06-318,396.56

Finding the Fourth Proportional to 925,614.34, 1,388,452.06 and 318,396.56

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Solution

The fourth proportional to 925,614.34, 1,388,452.06 and 318,396.56 is: 477,605.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,614.34 : 1,388,452.06 = 318,396.56 : x
  2. Step 2: Convert to fraction form
    925,614.34/1,388,452.06 = 318,396.56/x
  3. Step 3: Cross multiply
    925,614.34x = 1,388,452.06 × 318,396.56
  4. Step 4: Simplify right side
    925,614.34x = 442,078,359,628.91
  5. Step 5: Solve for x
    x = 442,078,359,628.91/925,614.34
  6. Step 6: Final answer
    x = 477,605.35

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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.