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Finding the Fourth Proportional to 538,453.21, 743,084.08 and 293,458.41

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Solution

The fourth proportional to 538,453.21, 743,084.08 and 293,458.41 is: 404,982.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,453.21 : 743,084.08 = 293,458.41 : x
  2. Step 2: Convert to fraction form
    538,453.21/743,084.08 = 293,458.41/x
  3. Step 3: Cross multiply
    538,453.21x = 743,084.08 × 293,458.41
  4. Step 4: Simplify right side
    538,453.21x = 218,064,272,613.11
  5. Step 5: Solve for x
    x = 218,064,272,613.11/538,453.21
  6. Step 6: Final answer
    x = 404,982.77

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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.