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Finding the Fourth Proportional to 450,863, 622,190.94 and 249,659

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Solution

The fourth proportional to 450,863, 622,190.94 and 249,659 is: 344,529.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,863 : 622,190.94 = 249,659 : x
  2. Step 2: Convert to fraction form
    450,863/622,190.94 = 249,659/x
  3. Step 3: Cross multiply
    450,863x = 622,190.94 × 249,659
  4. Step 4: Simplify right side
    450,863x = 155,335,567,889.46
  5. Step 5: Solve for x
    x = 155,335,567,889.46/450,863
  6. Step 6: Final answer
    x = 344,529.42

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1.5x scale

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.