Home / 925,841.36-1,388,915.94-318,605.42

Finding the Fourth Proportional to 925,841.36, 1,388,915.94 and 318,605.42

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Solution

The fourth proportional to 925,841.36, 1,388,915.94 and 318,605.42 is: 477,961.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,841.36 : 1,388,915.94 = 318,605.42 : x
  2. Step 2: Convert to fraction form
    925,841.36/1,388,915.94 = 318,605.42/x
  3. Step 3: Cross multiply
    925,841.36x = 1,388,915.94 × 318,605.42
  4. Step 4: Simplify right side
    925,841.36x = 442,516,146,408.40
  5. Step 5: Solve for x
    x = 442,516,146,408.40/925,841.36
  6. Step 6: Final answer
    x = 477,961.09

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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.