Home / 772,754.91-1,159,001.13-204,142.20

Finding the Fourth Proportional to 772,754.91, 1,159,001.13 and 204,142.20

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Solution

The fourth proportional to 772,754.91, 1,159,001.13 and 204,142.20 is: 306,178.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,754.91 : 1,159,001.13 = 204,142.20 : x
  2. Step 2: Convert to fraction form
    772,754.91/1,159,001.13 = 204,142.20/x
  3. Step 3: Cross multiply
    772,754.91x = 1,159,001.13 × 204,142.20
  4. Step 4: Simplify right side
    772,754.91x = 236,601,040,480.69
  5. Step 5: Solve for x
    x = 236,601,040,480.69/772,754.91
  6. Step 6: Final answer
    x = 306,178.63

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1.5x scale

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.