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Finding the Fourth Proportional to 538,494.88, 743,249.57 and 334,699.72

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Solution

The fourth proportional to 538,494.88, 743,249.57 and 334,699.72 is: 461,964.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,494.88 : 743,249.57 = 334,699.72 : x
  2. Step 2: Convert to fraction form
    538,494.88/743,249.57 = 334,699.72/x
  3. Step 3: Cross multiply
    538,494.88x = 743,249.57 × 334,699.72
  4. Step 4: Simplify right side
    538,494.88x = 248,765,422,969.12
  5. Step 5: Solve for x
    x = 248,765,422,969.12/538,494.88
  6. Step 6: Final answer
    x = 461,964.32

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1.5x scale

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.