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Finding the Fourth Proportional to 450,954, 622,291.56 and 249,734.16

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Solution

The fourth proportional to 450,954, 622,291.56 and 249,734.16 is: 344,619.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,954 : 622,291.56 = 249,734.16 : x
  2. Step 2: Convert to fraction form
    450,954/622,291.56 = 249,734.16/x
  3. Step 3: Cross multiply
    450,954x = 622,291.56 × 249,734.16
  4. Step 4: Simplify right side
    450,954x = 155,407,460,011.69
  5. Step 5: Solve for x
    x = 155,407,460,011.69/450,954
  6. Step 6: Final answer
    x = 344,619.32

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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.