Home / 777,602.25-1,166,470.20-216,636.75

Finding the Fourth Proportional to 777,602.25, 1,166,470.20 and 216,636.75

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Solution

The fourth proportional to 777,602.25, 1,166,470.20 and 216,636.75 is: 324,973.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,602.25 : 1,166,470.20 = 216,636.75 : x
  2. Step 2: Convert to fraction form
    777,602.25/1,166,470.20 = 216,636.75/x
  3. Step 3: Cross multiply
    777,602.25x = 1,166,470.20 × 216,636.75
  4. Step 4: Simplify right side
    777,602.25x = 252,700,313,099.85
  5. Step 5: Solve for x
    x = 252,700,313,099.85/777,602.25
  6. Step 6: Final answer
    x = 324,973.74

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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.