Home / 654,076.52-981,256.24-198,630.32

Finding the Fourth Proportional to 654,076.52, 981,256.24 and 198,630.32

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Solution

The fourth proportional to 654,076.52, 981,256.24 and 198,630.32 is: 297,988.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,076.52 : 981,256.24 = 198,630.32 : x
  2. Step 2: Convert to fraction form
    654,076.52/981,256.24 = 198,630.32/x
  3. Step 3: Cross multiply
    654,076.52x = 981,256.24 × 198,630.32
  4. Step 4: Simplify right side
    654,076.52x = 194,907,240,953.20
  5. Step 5: Solve for x
    x = 194,907,240,953.20/654,076.52
  6. Step 6: Final answer
    x = 297,988.44

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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.