Home / 624,231.36-861,346.89-379,088.64

Finding the Fourth Proportional to 624,231.36, 861,346.89 and 379,088.64

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Solution

The fourth proportional to 624,231.36, 861,346.89 and 379,088.64 is: 523,086.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,231.36 : 861,346.89 = 379,088.64 : x
  2. Step 2: Convert to fraction form
    624,231.36/861,346.89 = 379,088.64/x
  3. Step 3: Cross multiply
    624,231.36x = 861,346.89 × 379,088.64
  4. Step 4: Simplify right side
    624,231.36x = 326,526,821,098.33
  5. Step 5: Solve for x
    x = 326,526,821,098.33/624,231.36
  6. Step 6: Final answer
    x = 523,086.22

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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.