Home / 774,048.93-1,068,344.71-447,375.83

Finding the Fourth Proportional to 774,048.93, 1,068,344.71 and 447,375.83

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Solution

The fourth proportional to 774,048.93, 1,068,344.71 and 447,375.83 is: 617,469.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,048.93 : 1,068,344.71 = 447,375.83 : x
  2. Step 2: Convert to fraction form
    774,048.93/1,068,344.71 = 447,375.83/x
  3. Step 3: Cross multiply
    774,048.93x = 1,068,344.71 × 447,375.83
  4. Step 4: Simplify right side
    774,048.93x = 477,951,594,902.20
  5. Step 5: Solve for x
    x = 477,951,594,902.20/774,048.93
  6. Step 6: Final answer
    x = 617,469.49

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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.