Home / 778,845.80-1,168,575.90-305,450.60

Finding the Fourth Proportional to 778,845.80, 1,168,575.90 and 305,450.60

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Solution

The fourth proportional to 778,845.80, 1,168,575.90 and 305,450.60 is: 458,296.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,845.80 : 1,168,575.90 = 305,450.60 : x
  2. Step 2: Convert to fraction form
    778,845.80/1,168,575.90 = 305,450.60/x
  3. Step 3: Cross multiply
    778,845.80x = 1,168,575.90 × 305,450.60
  4. Step 4: Simplify right side
    778,845.80x = 356,942,209,800.54
  5. Step 5: Solve for x
    x = 356,942,209,800.54/778,845.80
  6. Step 6: Final answer
    x = 458,296.38

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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.