Home / 533,623.40-800,435.10-218,306.60

Finding the Fourth Proportional to 533,623.40, 800,435.10 and 218,306.60

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Solution

The fourth proportional to 533,623.40, 800,435.10 and 218,306.60 is: 327,459.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,623.40 : 800,435.10 = 218,306.60 : x
  2. Step 2: Convert to fraction form
    533,623.40/800,435.10 = 218,306.60/x
  3. Step 3: Cross multiply
    533,623.40x = 800,435.10 × 218,306.60
  4. Step 4: Simplify right side
    533,623.40x = 174,740,265,201.66
  5. Step 5: Solve for x
    x = 174,740,265,201.66/533,623.40
  6. Step 6: Final answer
    x = 327,459.90

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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.