Home / 751,388.73-1,036,913.79-407,233.04

Finding the Fourth Proportional to 751,388.73, 1,036,913.79 and 407,233.04

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Solution

The fourth proportional to 751,388.73, 1,036,913.79 and 407,233.04 is: 561,980.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,388.73 : 1,036,913.79 = 407,233.04 : x
  2. Step 2: Convert to fraction form
    751,388.73/1,036,913.79 = 407,233.04/x
  3. Step 3: Cross multiply
    751,388.73x = 1,036,913.79 × 407,233.04
  4. Step 4: Simplify right side
    751,388.73x = 422,265,549,735.05
  5. Step 5: Solve for x
    x = 422,265,549,735.05/751,388.73
  6. Step 6: Final answer
    x = 561,980.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.