Home / 376,976.24-520,227.60-207,206.72

Finding the Fourth Proportional to 376,976.24, 520,227.60 and 207,206.72

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Solution

The fourth proportional to 376,976.24, 520,227.60 and 207,206.72 is: 285,945.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,976.24 : 520,227.60 = 207,206.72 : x
  2. Step 2: Convert to fraction form
    376,976.24/520,227.60 = 207,206.72/x
  3. Step 3: Cross multiply
    376,976.24x = 520,227.60 × 207,206.72
  4. Step 4: Simplify right side
    376,976.24x = 107,794,654,649.47
  5. Step 5: Solve for x
    x = 107,794,654,649.47/376,976.24
  6. Step 6: Final answer
    x = 285,945.49

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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.