Home / 552,002.20-828,003.30-384,040.60

Finding the Fourth Proportional to 552,002.20, 828,003.30 and 384,040.60

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Solution

The fourth proportional to 552,002.20, 828,003.30 and 384,040.60 is: 576,060.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,002.20 : 828,003.30 = 384,040.60 : x
  2. Step 2: Convert to fraction form
    552,002.20/828,003.30 = 384,040.60/x
  3. Step 3: Cross multiply
    552,002.20x = 828,003.30 × 384,040.60
  4. Step 4: Simplify right side
    552,002.20x = 317,986,884,133.98
  5. Step 5: Solve for x
    x = 317,986,884,133.98/552,002.20
  6. Step 6: Final answer
    x = 576,060.90

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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.