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Finding the Fourth Proportional to 606,035.25, 906,807.38 and 485,727.30

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Solution

The fourth proportional to 606,035.25, 906,807.38 and 485,727.30 is: 726,791.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,035.25 : 906,807.38 = 485,727.30 : x
  2. Step 2: Convert to fraction form
    606,035.25/906,807.38 = 485,727.30/x
  3. Step 3: Cross multiply
    606,035.25x = 906,807.38 × 485,727.30
  4. Step 4: Simplify right side
    606,035.25x = 440,461,097,878.84
  5. Step 5: Solve for x
    x = 440,461,097,878.84/606,035.25
  6. Step 6: Final answer
    x = 726,791.22

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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.