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Finding the Fourth Proportional to 552,002.70, 828,004.05 and 300,060.30

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Solution

The fourth proportional to 552,002.70, 828,004.05 and 300,060.30 is: 450,090.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,002.70 : 828,004.05 = 300,060.30 : x
  2. Step 2: Convert to fraction form
    552,002.70/828,004.05 = 300,060.30/x
  3. Step 3: Cross multiply
    552,002.70x = 828,004.05 × 300,060.30
  4. Step 4: Simplify right side
    552,002.70x = 248,451,143,644.22
  5. Step 5: Solve for x
    x = 248,451,143,644.22/552,002.70
  6. Step 6: Final answer
    x = 450,090.45

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Similar ratio
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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.