Home / 539,116.20-743,985.54-297,408.96

Finding the Fourth Proportional to 539,116.20, 743,985.54 and 297,408.96

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Solution

The fourth proportional to 539,116.20, 743,985.54 and 297,408.96 is: 410,427.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,116.20 : 743,985.54 = 297,408.96 : x
  2. Step 2: Convert to fraction form
    539,116.20/743,985.54 = 297,408.96/x
  3. Step 3: Cross multiply
    539,116.20x = 743,985.54 × 297,408.96
  4. Step 4: Simplify right side
    539,116.20x = 221,267,965,706.44
  5. Step 5: Solve for x
    x = 221,267,965,706.44/539,116.20
  6. Step 6: Final answer
    x = 410,427.22

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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.