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Finding the Fourth Proportional to 533,308.46, 735,977.20 and 318,408.44

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Solution

The fourth proportional to 533,308.46, 735,977.20 and 318,408.44 is: 439,410.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,308.46 : 735,977.20 = 318,408.44 : x
  2. Step 2: Convert to fraction form
    533,308.46/735,977.20 = 318,408.44/x
  3. Step 3: Cross multiply
    533,308.46x = 735,977.20 × 318,408.44
  4. Step 4: Simplify right side
    533,308.46x = 234,341,352,127.57
  5. Step 5: Solve for x
    x = 234,341,352,127.57/533,308.46
  6. Step 6: Final answer
    x = 439,410.53

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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.