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Finding the Fourth Proportional to 536,493.60, 803,818.80 and 349,408.80

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Solution

The fourth proportional to 536,493.60, 803,818.80 and 349,408.80 is: 523,512.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,493.60 : 803,818.80 = 349,408.80 : x
  2. Step 2: Convert to fraction form
    536,493.60/803,818.80 = 349,408.80/x
  3. Step 3: Cross multiply
    536,493.60x = 803,818.80 × 349,408.80
  4. Step 4: Simplify right side
    536,493.60x = 280,861,362,325.44
  5. Step 5: Solve for x
    x = 280,861,362,325.44/536,493.60
  6. Step 6: Final answer
    x = 523,512.98

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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.