Home / 447,921.70-618,131.82-246,717.70

Finding the Fourth Proportional to 447,921.70, 618,131.82 and 246,717.70

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Solution

The fourth proportional to 447,921.70, 618,131.82 and 246,717.70 is: 340,470.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,921.70 : 618,131.82 = 246,717.70 : x
  2. Step 2: Convert to fraction form
    447,921.70/618,131.82 = 246,717.70/x
  3. Step 3: Cross multiply
    447,921.70x = 618,131.82 × 246,717.70
  4. Step 4: Simplify right side
    447,921.70x = 152,504,060,927.21
  5. Step 5: Solve for x
    x = 152,504,060,927.21/447,921.70
  6. Step 6: Final answer
    x = 340,470.36

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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.