Home / 925,486.77-1,388,260.88-318,269.09

Finding the Fourth Proportional to 925,486.77, 1,388,260.88 and 318,269.09

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Solution

The fourth proportional to 925,486.77, 1,388,260.88 and 318,269.09 is: 477,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,486.77 : 1,388,260.88 = 318,269.09 : x
  2. Step 2: Convert to fraction form
    925,486.77/1,388,260.88 = 318,269.09/x
  3. Step 3: Cross multiply
    925,486.77x = 1,388,260.88 × 318,269.09
  4. Step 4: Simplify right side
    925,486.77x = 441,840,530,033.02
  5. Step 5: Solve for x
    x = 441,840,530,033.02/925,486.77
  6. Step 6: Final answer
    x = 477,414.20

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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.