Home / 925,511.82-1,388,380.05-260,663.82

Finding the Fourth Proportional to 925,511.82, 1,388,380.05 and 260,663.82

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Solution

The fourth proportional to 925,511.82, 1,388,380.05 and 260,663.82 is: 391,027.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,511.82 : 1,388,380.05 = 260,663.82 : x
  2. Step 2: Convert to fraction form
    925,511.82/1,388,380.05 = 260,663.82/x
  3. Step 3: Cross multiply
    925,511.82x = 1,388,380.05 × 260,663.82
  4. Step 4: Simplify right side
    925,511.82x = 361,900,447,444.79
  5. Step 5: Solve for x
    x = 361,900,447,444.79/925,511.82
  6. Step 6: Final answer
    x = 391,027.36

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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.