Home / 643,512.36-964,890.04-244,181.20

Finding the Fourth Proportional to 643,512.36, 964,890.04 and 244,181.20

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Solution

The fourth proportional to 643,512.36, 964,890.04 and 244,181.20 is: 366,128.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,512.36 : 964,890.04 = 244,181.20 : x
  2. Step 2: Convert to fraction form
    643,512.36/964,890.04 = 244,181.20/x
  3. Step 3: Cross multiply
    643,512.36x = 964,890.04 × 244,181.20
  4. Step 4: Simplify right side
    643,512.36x = 235,608,007,079.58
  5. Step 5: Solve for x
    x = 235,608,007,079.58/643,512.36
  6. Step 6: Final answer
    x = 366,128.17

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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.