Home / 815,969.70-1,222,707.15-548,740.98

Finding the Fourth Proportional to 815,969.70, 1,222,707.15 and 548,740.98

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Solution

The fourth proportional to 815,969.70, 1,222,707.15 and 548,740.98 is: 822,272.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,969.70 : 1,222,707.15 = 548,740.98 : x
  2. Step 2: Convert to fraction form
    815,969.70/1,222,707.15 = 548,740.98/x
  3. Step 3: Cross multiply
    815,969.70x = 1,222,707.15 × 548,740.98
  4. Step 4: Simplify right side
    815,969.70x = 670,949,519,744.01
  5. Step 5: Solve for x
    x = 670,949,519,744.01/815,969.70
  6. Step 6: Final answer
    x = 822,272.59

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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.