Home / 510,859.18-704,949.25-304,116.60

Finding the Fourth Proportional to 510,859.18, 704,949.25 and 304,116.60

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Solution

The fourth proportional to 510,859.18, 704,949.25 and 304,116.60 is: 419,659.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,859.18 : 704,949.25 = 304,116.60 : x
  2. Step 2: Convert to fraction form
    510,859.18/704,949.25 = 304,116.60/x
  3. Step 3: Cross multiply
    510,859.18x = 704,949.25 × 304,116.60
  4. Step 4: Simplify right side
    510,859.18x = 214,386,770,408.70
  5. Step 5: Solve for x
    x = 214,386,770,408.70/510,859.18
  6. Step 6: Final answer
    x = 419,659.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.