Home / 777,845-1,166,964.34-216,879.50

Finding the Fourth Proportional to 777,845, 1,166,964.34 and 216,879.50

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Solution

The fourth proportional to 777,845, 1,166,964.34 and 216,879.50 is: 325,374.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,845 : 1,166,964.34 = 216,879.50 : x
  2. Step 2: Convert to fraction form
    777,845/1,166,964.34 = 216,879.50/x
  3. Step 3: Cross multiply
    777,845x = 1,166,964.34 × 216,879.50
  4. Step 4: Simplify right side
    777,845x = 253,090,642,577.03
  5. Step 5: Solve for x
    x = 253,090,642,577.03/777,845
  6. Step 6: Final answer
    x = 325,374.13

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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.