Home / 777,927-1,167,087.42-216,961.50

Finding the Fourth Proportional to 777,927, 1,167,087.42 and 216,961.50

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Solution

The fourth proportional to 777,927, 1,167,087.42 and 216,961.50 is: 325,497.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,927 : 1,167,087.42 = 216,961.50 : x
  2. Step 2: Convert to fraction form
    777,927/1,167,087.42 = 216,961.50/x
  3. Step 3: Cross multiply
    777,927x = 1,167,087.42 × 216,961.50
  4. Step 4: Simplify right side
    777,927x = 253,213,037,274.33
  5. Step 5: Solve for x
    x = 253,213,037,274.33/777,927
  6. Step 6: Final answer
    x = 325,497.17

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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.