Home / 681,621.14-940,632.90-371,523.44

Finding the Fourth Proportional to 681,621.14, 940,632.90 and 371,523.44

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Solution

The fourth proportional to 681,621.14, 940,632.90 and 371,523.44 is: 512,700.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,621.14 : 940,632.90 = 371,523.44 : x
  2. Step 2: Convert to fraction form
    681,621.14/940,632.90 = 371,523.44/x
  3. Step 3: Cross multiply
    681,621.14x = 940,632.90 × 371,523.44
  4. Step 4: Simplify right side
    681,621.14x = 349,467,170,785.18
  5. Step 5: Solve for x
    x = 349,467,170,785.18/681,621.14
  6. Step 6: Final answer
    x = 512,700.02

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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.