Home / 539,108.30-743,942.94-324,206.66

Finding the Fourth Proportional to 539,108.30, 743,942.94 and 324,206.66

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Solution

The fourth proportional to 539,108.30, 743,942.94 and 324,206.66 is: 447,389.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,108.30 : 743,942.94 = 324,206.66 : x
  2. Step 2: Convert to fraction form
    539,108.30/743,942.94 = 324,206.66/x
  3. Step 3: Cross multiply
    539,108.30x = 743,942.94 × 324,206.66
  4. Step 4: Simplify right side
    539,108.30x = 241,191,255,807.98
  5. Step 5: Solve for x
    x = 241,191,255,807.98/539,108.30
  6. Step 6: Final answer
    x = 447,389.25

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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.