Home / 450,628.30-621,824.49-269,304.12

Finding the Fourth Proportional to 450,628.30, 621,824.49 and 269,304.12

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Solution

The fourth proportional to 450,628.30, 621,824.49 and 269,304.12 is: 371,614.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,628.30 : 621,824.49 = 269,304.12 : x
  2. Step 2: Convert to fraction form
    450,628.30/621,824.49 = 269,304.12/x
  3. Step 3: Cross multiply
    450,628.30x = 621,824.49 × 269,304.12
  4. Step 4: Simplify right side
    450,628.30x = 167,459,897,073.90
  5. Step 5: Solve for x
    x = 167,459,897,073.90/450,628.30
  6. Step 6: Final answer
    x = 371,614.25

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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.