Home / 777,172.69-1,166,255.12-377,595.61

Finding the Fourth Proportional to 777,172.69, 1,166,255.12 and 377,595.61

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Solution

The fourth proportional to 777,172.69, 1,166,255.12 and 377,595.61 is: 566,634.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,172.69 : 1,166,255.12 = 377,595.61 : x
  2. Step 2: Convert to fraction form
    777,172.69/1,166,255.12 = 377,595.61/x
  3. Step 3: Cross multiply
    777,172.69x = 1,166,255.12 × 377,595.61
  4. Step 4: Simplify right side
    777,172.69x = 440,372,811,564.05
  5. Step 5: Solve for x
    x = 440,372,811,564.05/777,172.69
  6. Step 6: Final answer
    x = 566,634.44

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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.