Home / 767,650.58-1,150,338.62-311,687.36

Finding the Fourth Proportional to 767,650.58, 1,150,338.62 and 311,687.36

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Solution

The fourth proportional to 767,650.58, 1,150,338.62 and 311,687.36 is: 467,069.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,650.58 : 1,150,338.62 = 311,687.36 : x
  2. Step 2: Convert to fraction form
    767,650.58/1,150,338.62 = 311,687.36/x
  3. Step 3: Cross multiply
    767,650.58x = 1,150,338.62 × 311,687.36
  4. Step 4: Simplify right side
    767,650.58x = 358,546,007,573.84
  5. Step 5: Solve for x
    x = 358,546,007,573.84/767,650.58
  6. Step 6: Final answer
    x = 467,069.29

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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.