Home / 450,628.80-621,825.18-269,304.62

Finding the Fourth Proportional to 450,628.80, 621,825.18 and 269,304.62

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Solution

The fourth proportional to 450,628.80, 621,825.18 and 269,304.62 is: 371,614.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,628.80 : 621,825.18 = 269,304.62 : x
  2. Step 2: Convert to fraction form
    450,628.80/621,825.18 = 269,304.62/x
  3. Step 3: Cross multiply
    450,628.80x = 621,825.18 × 269,304.62
  4. Step 4: Simplify right side
    450,628.80x = 167,460,393,806.33
  5. Step 5: Solve for x
    x = 167,460,393,806.33/450,628.80
  6. Step 6: Final answer
    x = 371,614.94

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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.