Home / 538,741.94-743,469.26-297,018.30

Finding the Fourth Proportional to 538,741.94, 743,469.26 and 297,018.30

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Solution

The fourth proportional to 538,741.94, 743,469.26 and 297,018.30 is: 409,888.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,741.94 : 743,469.26 = 297,018.30 : x
  2. Step 2: Convert to fraction form
    538,741.94/743,469.26 = 297,018.30/x
  3. Step 3: Cross multiply
    538,741.94x = 743,469.26 × 297,018.30
  4. Step 4: Simplify right side
    538,741.94x = 220,823,975,707.46
  5. Step 5: Solve for x
    x = 220,823,975,707.46/538,741.94
  6. Step 6: Final answer
    x = 409,888.22

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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.