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Finding the Fourth Proportional to 600,008.20, 901,049.10 and 320,072.20

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Solution

The fourth proportional to 600,008.20, 901,049.10 and 320,072.20 is: 480,661.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,008.20 : 901,049.10 = 320,072.20 : x
  2. Step 2: Convert to fraction form
    600,008.20/901,049.10 = 320,072.20/x
  3. Step 3: Cross multiply
    600,008.20x = 901,049.10 × 320,072.20
  4. Step 4: Simplify right side
    600,008.20x = 288,400,767,745.02
  5. Step 5: Solve for x
    x = 288,400,767,745.02/600,008.20
  6. Step 6: Final answer
    x = 480,661.38

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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.