Home / 677,940.85-1,016,970.39-222,395.50

Finding the Fourth Proportional to 677,940.85, 1,016,970.39 and 222,395.50

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Solution

The fourth proportional to 677,940.85, 1,016,970.39 and 222,395.50 is: 333,612.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,940.85 : 1,016,970.39 = 222,395.50 : x
  2. Step 2: Convert to fraction form
    677,940.85/1,016,970.39 = 222,395.50/x
  3. Step 3: Cross multiply
    677,940.85x = 1,016,970.39 × 222,395.50
  4. Step 4: Simplify right side
    677,940.85x = 226,169,638,369.25
  5. Step 5: Solve for x
    x = 226,169,638,369.25/677,940.85
  6. Step 6: Final answer
    x = 333,612.64

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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.