Home / 777,930.32-1,164,694.94-412,358.95

Finding the Fourth Proportional to 777,930.32, 1,164,694.94 and 412,358.95

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Solution

The fourth proportional to 777,930.32, 1,164,694.94 and 412,358.95 is: 617,371.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,930.32 : 1,164,694.94 = 412,358.95 : x
  2. Step 2: Convert to fraction form
    777,930.32/1,164,694.94 = 412,358.95/x
  3. Step 3: Cross multiply
    777,930.32x = 1,164,694.94 × 412,358.95
  4. Step 4: Simplify right side
    777,930.32x = 480,272,374,643.44
  5. Step 5: Solve for x
    x = 480,272,374,643.44/777,930.32
  6. Step 6: Final answer
    x = 617,371.97

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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.