Home / 778,401.56-1,167,651.54-329,063.28

Finding the Fourth Proportional to 778,401.56, 1,167,651.54 and 329,063.28

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Solution

The fourth proportional to 778,401.56, 1,167,651.54 and 329,063.28 is: 493,615.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,401.56 : 1,167,651.54 = 329,063.28 : x
  2. Step 2: Convert to fraction form
    778,401.56/1,167,651.54 = 329,063.28/x
  3. Step 3: Cross multiply
    778,401.56x = 1,167,651.54 × 329,063.28
  4. Step 4: Simplify right side
    778,401.56x = 384,231,245,649.45
  5. Step 5: Solve for x
    x = 384,231,245,649.45/778,401.56
  6. Step 6: Final answer
    x = 493,615.72

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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.