Home / 925,515.32-1,388,385.30-260,667.32

Finding the Fourth Proportional to 925,515.32, 1,388,385.30 and 260,667.32

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Solution

The fourth proportional to 925,515.32, 1,388,385.30 and 260,667.32 is: 391,032.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,515.32 : 1,388,385.30 = 260,667.32 : x
  2. Step 2: Convert to fraction form
    925,515.32/1,388,385.30 = 260,667.32/x
  3. Step 3: Cross multiply
    925,515.32x = 1,388,385.30 × 260,667.32
  4. Step 4: Simplify right side
    925,515.32x = 361,906,675,278.40
  5. Step 5: Solve for x
    x = 361,906,675,278.40/925,515.32
  6. Step 6: Final answer
    x = 391,032.61

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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.