Home / 654,427.80-981,447.30-254,838.60

Finding the Fourth Proportional to 654,427.80, 981,447.30 and 254,838.60

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Solution

The fourth proportional to 654,427.80, 981,447.30 and 254,838.60 is: 382,182.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,427.80 : 981,447.30 = 254,838.60 : x
  2. Step 2: Convert to fraction form
    654,427.80/981,447.30 = 254,838.60/x
  3. Step 3: Cross multiply
    654,427.80x = 981,447.30 × 254,838.60
  4. Step 4: Simplify right side
    654,427.80x = 250,110,655,905.78
  5. Step 5: Solve for x
    x = 250,110,655,905.78/654,427.80
  6. Step 6: Final answer
    x = 382,182.20

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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.