Home / 778,401.56-1,167,651.55-329,063.27

Finding the Fourth Proportional to 778,401.56, 1,167,651.55 and 329,063.27

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Solution

The fourth proportional to 778,401.56, 1,167,651.55 and 329,063.27 is: 493,615.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,401.56 : 1,167,651.55 = 329,063.27 : x
  2. Step 2: Convert to fraction form
    778,401.56/1,167,651.55 = 329,063.27/x
  3. Step 3: Cross multiply
    778,401.56x = 1,167,651.55 × 329,063.27
  4. Step 4: Simplify right side
    778,401.56x = 384,231,237,263.57
  5. Step 5: Solve for x
    x = 384,231,237,263.57/778,401.56
  6. Step 6: Final answer
    x = 493,615.71

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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.