Home / 624,782.25-936,979.43-225,371.05

Finding the Fourth Proportional to 624,782.25, 936,979.43 and 225,371.05

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Solution

The fourth proportional to 624,782.25, 936,979.43 and 225,371.05 is: 337,986.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,782.25 : 936,979.43 = 225,371.05 : x
  2. Step 2: Convert to fraction form
    624,782.25/936,979.43 = 225,371.05/x
  3. Step 3: Cross multiply
    624,782.25x = 936,979.43 × 225,371.05
  4. Step 4: Simplify right side
    624,782.25x = 211,168,037,967.50
  5. Step 5: Solve for x
    x = 211,168,037,967.50/624,782.25
  6. Step 6: Final answer
    x = 337,986.62

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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.