Home / 767,338.77-1,150,691.47-261,940.50

Finding the Fourth Proportional to 767,338.77, 1,150,691.47 and 261,940.50

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Solution

The fourth proportional to 767,338.77, 1,150,691.47 and 261,940.50 is: 392,802.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,338.77 : 1,150,691.47 = 261,940.50 : x
  2. Step 2: Convert to fraction form
    767,338.77/1,150,691.47 = 261,940.50/x
  3. Step 3: Cross multiply
    767,338.77x = 1,150,691.47 × 261,940.50
  4. Step 4: Simplify right side
    767,338.77x = 301,412,698,342.68
  5. Step 5: Solve for x
    x = 301,412,698,342.68/767,338.77
  6. Step 6: Final answer
    x = 392,802.65

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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.