Home / 458,664.80-687,997.20-222,468.80

Finding the Fourth Proportional to 458,664.80, 687,997.20 and 222,468.80

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Solution

The fourth proportional to 458,664.80, 687,997.20 and 222,468.80 is: 333,703.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,664.80 : 687,997.20 = 222,468.80 : x
  2. Step 2: Convert to fraction form
    458,664.80/687,997.20 = 222,468.80/x
  3. Step 3: Cross multiply
    458,664.80x = 687,997.20 × 222,468.80
  4. Step 4: Simplify right side
    458,664.80x = 153,057,911,487.36
  5. Step 5: Solve for x
    x = 153,057,911,487.36/458,664.80
  6. Step 6: Final answer
    x = 333,703.20

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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.