Home / 450,719.46-622,414.26-289,853.82

Finding the Fourth Proportional to 450,719.46, 622,414.26 and 289,853.82

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Solution

The fourth proportional to 450,719.46, 622,414.26 and 289,853.82 is: 400,269.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,719.46 : 622,414.26 = 289,853.82 : x
  2. Step 2: Convert to fraction form
    450,719.46/622,414.26 = 289,853.82/x
  3. Step 3: Cross multiply
    450,719.46x = 622,414.26 × 289,853.82
  4. Step 4: Simplify right side
    450,719.46x = 180,409,150,883.47
  5. Step 5: Solve for x
    x = 180,409,150,883.47/450,719.46
  6. Step 6: Final answer
    x = 400,269.27

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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.