Home / 777,164.50-1,164,968.51-303,197.78

Finding the Fourth Proportional to 777,164.50, 1,164,968.51 and 303,197.78

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Solution

The fourth proportional to 777,164.50, 1,164,968.51 and 303,197.78 is: 454,493.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,164.50 : 1,164,968.51 = 303,197.78 : x
  2. Step 2: Convert to fraction form
    777,164.50/1,164,968.51 = 303,197.78/x
  3. Step 3: Cross multiply
    777,164.50x = 1,164,968.51 × 303,197.78
  4. Step 4: Simplify right side
    777,164.50x = 353,215,866,001.91
  5. Step 5: Solve for x
    x = 353,215,866,001.91/777,164.50
  6. Step 6: Final answer
    x = 454,493.05

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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.