Home / 925,704.10-1,388,556.15-260,856.10

Finding the Fourth Proportional to 925,704.10, 1,388,556.15 and 260,856.10

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Solution

The fourth proportional to 925,704.10, 1,388,556.15 and 260,856.10 is: 391,284.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,704.10 : 1,388,556.15 = 260,856.10 : x
  2. Step 2: Convert to fraction form
    925,704.10/1,388,556.15 = 260,856.10/x
  3. Step 3: Cross multiply
    925,704.10x = 1,388,556.15 × 260,856.10
  4. Step 4: Simplify right side
    925,704.10x = 362,213,341,920.02
  5. Step 5: Solve for x
    x = 362,213,341,920.02/925,704.10
  6. Step 6: Final answer
    x = 391,284.15

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Similar ratio
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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.