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Finding the Fourth Proportional to 529,548.60, 794,322.90 and 305,599.80

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Solution

The fourth proportional to 529,548.60, 794,322.90 and 305,599.80 is: 458,399.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,548.60 : 794,322.90 = 305,599.80 : x
  2. Step 2: Convert to fraction form
    529,548.60/794,322.90 = 305,599.80/x
  3. Step 3: Cross multiply
    529,548.60x = 794,322.90 × 305,599.80
  4. Step 4: Simplify right side
    529,548.60x = 242,744,919,375.42
  5. Step 5: Solve for x
    x = 242,744,919,375.42/529,548.60
  6. Step 6: Final answer
    x = 458,399.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.