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Finding the Fourth Proportional to 603,003.20, 903,909.60 and 336,891.20

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Solution

The fourth proportional to 603,003.20, 903,909.60 and 336,891.20 is: 505,004.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,003.20 : 903,909.60 = 336,891.20 : x
  2. Step 2: Convert to fraction form
    603,003.20/903,909.60 = 336,891.20/x
  3. Step 3: Cross multiply
    603,003.20x = 903,909.60 × 336,891.20
  4. Step 4: Simplify right side
    603,003.20x = 304,519,189,835.52
  5. Step 5: Solve for x
    x = 304,519,189,835.52/603,003.20
  6. Step 6: Final answer
    x = 505,004.27

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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.