Home / 677,939.85-1,016,968.89-222,394.50

Finding the Fourth Proportional to 677,939.85, 1,016,968.89 and 222,394.50

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Solution

The fourth proportional to 677,939.85, 1,016,968.89 and 222,394.50 is: 333,611.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,939.85 : 1,016,968.89 = 222,394.50 : x
  2. Step 2: Convert to fraction form
    677,939.85/1,016,968.89 = 222,394.50/x
  3. Step 3: Cross multiply
    677,939.85x = 1,016,968.89 × 222,394.50
  4. Step 4: Simplify right side
    677,939.85x = 226,168,287,807.11
  5. Step 5: Solve for x
    x = 226,168,287,807.11/677,939.85
  6. Step 6: Final answer
    x = 333,611.14

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1.5x scale

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.