Home / 481,678.02-664,720.92-266,821.56

Finding the Fourth Proportional to 481,678.02, 664,720.92 and 266,821.56

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Solution

The fourth proportional to 481,678.02, 664,720.92 and 266,821.56 is: 368,216.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,678.02 : 664,720.92 = 266,821.56 : x
  2. Step 2: Convert to fraction form
    481,678.02/664,720.92 = 266,821.56/x
  3. Step 3: Cross multiply
    481,678.02x = 664,720.92 × 266,821.56
  4. Step 4: Simplify right side
    481,678.02x = 177,361,872,839.04
  5. Step 5: Solve for x
    x = 177,361,872,839.04/481,678.02
  6. Step 6: Final answer
    x = 368,216.66

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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.