Home / 621,247.06-931,716.66-266,220.82

Finding the Fourth Proportional to 621,247.06, 931,716.66 and 266,220.82

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Solution

The fourth proportional to 621,247.06, 931,716.66 and 266,220.82 is: 399,265.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,247.06 : 931,716.66 = 266,220.82 : x
  2. Step 2: Convert to fraction form
    621,247.06/931,716.66 = 266,220.82/x
  3. Step 3: Cross multiply
    621,247.06x = 931,716.66 × 266,220.82
  4. Step 4: Simplify right side
    621,247.06x = 248,042,373,232.86
  5. Step 5: Solve for x
    x = 248,042,373,232.86/621,247.06
  6. Step 6: Final answer
    x = 399,265.27

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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.