Home / 450,698.42-621,962.78-269,401.56

Finding the Fourth Proportional to 450,698.42, 621,962.78 and 269,401.56

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Solution

The fourth proportional to 450,698.42, 621,962.78 and 269,401.56 is: 371,773.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,698.42 : 621,962.78 = 269,401.56 : x
  2. Step 2: Convert to fraction form
    450,698.42/621,962.78 = 269,401.56/x
  3. Step 3: Cross multiply
    450,698.42x = 621,962.78 × 269,401.56
  4. Step 4: Simplify right side
    450,698.42x = 167,557,743,193.94
  5. Step 5: Solve for x
    x = 167,557,743,193.94/450,698.42
  6. Step 6: Final answer
    x = 371,773.53

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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.