Home / 654,725.26-903,512.16-368,245.36

Finding the Fourth Proportional to 654,725.26, 903,512.16 and 368,245.36

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Solution

The fourth proportional to 654,725.26, 903,512.16 and 368,245.36 is: 508,173.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,725.26 : 903,512.16 = 368,245.36 : x
  2. Step 2: Convert to fraction form
    654,725.26/903,512.16 = 368,245.36/x
  3. Step 3: Cross multiply
    654,725.26x = 903,512.16 × 368,245.36
  4. Step 4: Simplify right side
    654,725.26x = 332,714,160,623.58
  5. Step 5: Solve for x
    x = 332,714,160,623.58/654,725.26
  6. Step 6: Final answer
    x = 508,173.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.