Home / 552,391.20-828,003.60-215,301.60

Finding the Fourth Proportional to 552,391.20, 828,003.60 and 215,301.60

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Solution

The fourth proportional to 552,391.20, 828,003.60 and 215,301.60 is: 322,725.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,391.20 : 828,003.60 = 215,301.60 : x
  2. Step 2: Convert to fraction form
    552,391.20/828,003.60 = 215,301.60/x
  3. Step 3: Cross multiply
    552,391.20x = 828,003.60 × 215,301.60
  4. Step 4: Simplify right side
    552,391.20x = 178,270,499,885.76
  5. Step 5: Solve for x
    x = 178,270,499,885.76/552,391.20
  6. Step 6: Final answer
    x = 322,725.09

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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.