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Finding the Fourth Proportional to 533,372.80, 800,577.60 and 323,420.80

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Solution

The fourth proportional to 533,372.80, 800,577.60 and 323,420.80 is: 485,445.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,372.80 : 800,577.60 = 323,420.80 : x
  2. Step 2: Convert to fraction form
    533,372.80/800,577.60 = 323,420.80/x
  3. Step 3: Cross multiply
    533,372.80x = 800,577.60 × 323,420.80
  4. Step 4: Simplify right side
    533,372.80x = 258,923,447,854.08
  5. Step 5: Solve for x
    x = 258,923,447,854.08/533,372.80
  6. Step 6: Final answer
    x = 485,445.54

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1.5x scale

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.