Home / 635,456.63-876,945.38-348,982.85

Finding the Fourth Proportional to 635,456.63, 876,945.38 and 348,982.85

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Solution

The fourth proportional to 635,456.63, 876,945.38 and 348,982.85 is: 481,604.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,456.63 : 876,945.38 = 348,982.85 : x
  2. Step 2: Convert to fraction form
    635,456.63/876,945.38 = 348,982.85/x
  3. Step 3: Cross multiply
    635,456.63x = 876,945.38 × 348,982.85
  4. Step 4: Simplify right side
    635,456.63x = 306,038,891,877.09
  5. Step 5: Solve for x
    x = 306,038,891,877.09/635,456.63
  6. Step 6: Final answer
    x = 481,604.69

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1.5x scale

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.