Home / 782,146.05-1,173,240.95-276,635.58

Finding the Fourth Proportional to 782,146.05, 1,173,240.95 and 276,635.58

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Solution

The fourth proportional to 782,146.05, 1,173,240.95 and 276,635.58 is: 414,961.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,146.05 : 1,173,240.95 = 276,635.58 : x
  2. Step 2: Convert to fraction form
    782,146.05/1,173,240.95 = 276,635.58/x
  3. Step 3: Cross multiply
    782,146.05x = 1,173,240.95 × 276,635.58
  4. Step 4: Simplify right side
    782,146.05x = 324,560,189,299.82
  5. Step 5: Solve for x
    x = 324,560,189,299.82/782,146.05
  6. Step 6: Final answer
    x = 414,961.11

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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.