Home / 889,585.20-1,227,628.05-481,687.23

Finding the Fourth Proportional to 889,585.20, 1,227,628.05 and 481,687.23

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Solution

The fourth proportional to 889,585.20, 1,227,628.05 and 481,687.23 is: 664,728.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,585.20 : 1,227,628.05 = 481,687.23 : x
  2. Step 2: Convert to fraction form
    889,585.20/1,227,628.05 = 481,687.23/x
  3. Step 3: Cross multiply
    889,585.20x = 1,227,628.05 × 481,687.23
  4. Step 4: Simplify right side
    889,585.20x = 591,332,754,874.80
  5. Step 5: Solve for x
    x = 591,332,754,874.80/889,585.20
  6. Step 6: Final answer
    x = 664,728.63

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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.