Home / 528,002.20-792,003.30-449,464.60

Finding the Fourth Proportional to 528,002.20, 792,003.30 and 449,464.60

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Solution

The fourth proportional to 528,002.20, 792,003.30 and 449,464.60 is: 674,196.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,002.20 : 792,003.30 = 449,464.60 : x
  2. Step 2: Convert to fraction form
    528,002.20/792,003.30 = 449,464.60/x
  3. Step 3: Cross multiply
    528,002.20x = 792,003.30 × 449,464.60
  4. Step 4: Simplify right side
    528,002.20x = 355,977,446,433.18
  5. Step 5: Solve for x
    x = 355,977,446,433.18/528,002.20
  6. Step 6: Final answer
    x = 674,196.90

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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.