Home / 925,611.84-1,388,448.32-318,394.04

Finding the Fourth Proportional to 925,611.84, 1,388,448.32 and 318,394.04

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Solution

The fourth proportional to 925,611.84, 1,388,448.32 and 318,394.04 is: 477,601.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,611.84 : 1,388,448.32 = 318,394.04 : x
  2. Step 2: Convert to fraction form
    925,611.84/1,388,448.32 = 318,394.04/x
  3. Step 3: Cross multiply
    925,611.84x = 1,388,448.32 × 318,394.04
  4. Step 4: Simplify right side
    925,611.84x = 442,073,661,401.80
  5. Step 5: Solve for x
    x = 442,073,661,401.80/925,611.84
  6. Step 6: Final answer
    x = 477,601.56

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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.