Home / 621,082.22-857,033.88-349,087.46

Finding the Fourth Proportional to 621,082.22, 857,033.88 and 349,087.46

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Solution

The fourth proportional to 621,082.22, 857,033.88 and 349,087.46 is: 481,707.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,082.22 : 857,033.88 = 349,087.46 : x
  2. Step 2: Convert to fraction form
    621,082.22/857,033.88 = 349,087.46/x
  3. Step 3: Cross multiply
    621,082.22x = 857,033.88 × 349,087.46
  4. Step 4: Simplify right side
    621,082.22x = 299,179,780,303.15
  5. Step 5: Solve for x
    x = 299,179,780,303.15/621,082.22
  6. Step 6: Final answer
    x = 481,707.21

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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.