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Finding the Fourth Proportional to 600,352.20, 901,565.10 and 320,416.20

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Solution

The fourth proportional to 600,352.20, 901,565.10 and 320,416.20 is: 481,177.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,352.20 : 901,565.10 = 320,416.20 : x
  2. Step 2: Convert to fraction form
    600,352.20/901,565.10 = 320,416.20/x
  3. Step 3: Cross multiply
    600,352.20x = 901,565.10 × 320,416.20
  4. Step 4: Simplify right side
    600,352.20x = 288,876,063,394.62
  5. Step 5: Solve for x
    x = 288,876,063,394.62/600,352.20
  6. Step 6: Final answer
    x = 481,177.65

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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.