Home / 777,861.25-1,166,988.71-216,895.75

Finding the Fourth Proportional to 777,861.25, 1,166,988.71 and 216,895.75

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Solution

The fourth proportional to 777,861.25, 1,166,988.71 and 216,895.75 is: 325,398.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,861.25 : 1,166,988.71 = 216,895.75 : x
  2. Step 2: Convert to fraction form
    777,861.25/1,166,988.71 = 216,895.75/x
  3. Step 3: Cross multiply
    777,861.25x = 1,166,988.71 × 216,895.75
  4. Step 4: Simplify right side
    777,861.25x = 253,114,890,412.50
  5. Step 5: Solve for x
    x = 253,114,890,412.50/777,861.25
  6. Step 6: Final answer
    x = 325,398.51

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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.