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Finding the Fourth Proportional to 604,002.30, 906,112.80 and 303,727.20

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Solution

The fourth proportional to 604,002.30, 906,112.80 and 303,727.20 is: 455,645.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,002.30 : 906,112.80 = 303,727.20 : x
  2. Step 2: Convert to fraction form
    604,002.30/906,112.80 = 303,727.20/x
  3. Step 3: Cross multiply
    604,002.30x = 906,112.80 × 303,727.20
  4. Step 4: Simplify right side
    604,002.30x = 275,211,103,628.16
  5. Step 5: Solve for x
    x = 275,211,103,628.16/604,002.30
  6. Step 6: Final answer
    x = 455,645.79

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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.