Home / 767,912.86-1,059,930.52-445,726.76

Finding the Fourth Proportional to 767,912.86, 1,059,930.52 and 445,726.76

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Solution

The fourth proportional to 767,912.86, 1,059,930.52 and 445,726.76 is: 615,225.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,912.86 : 1,059,930.52 = 445,726.76 : x
  2. Step 2: Convert to fraction form
    767,912.86/1,059,930.52 = 445,726.76/x
  3. Step 3: Cross multiply
    767,912.86x = 1,059,930.52 × 445,726.76
  4. Step 4: Simplify right side
    767,912.86x = 472,439,396,504.72
  5. Step 5: Solve for x
    x = 472,439,396,504.72/767,912.86
  6. Step 6: Final answer
    x = 615,225.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.