Home / 664,945.80-996,963.09-238,472.47

Finding the Fourth Proportional to 664,945.80, 996,963.09 and 238,472.47

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Solution

The fourth proportional to 664,945.80, 996,963.09 and 238,472.47 is: 357,545.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,945.80 : 996,963.09 = 238,472.47 : x
  2. Step 2: Convert to fraction form
    664,945.80/996,963.09 = 238,472.47/x
  3. Step 3: Cross multiply
    664,945.80x = 996,963.09 × 238,472.47
  4. Step 4: Simplify right side
    664,945.80x = 237,748,250,571.13
  5. Step 5: Solve for x
    x = 237,748,250,571.13/664,945.80
  6. Step 6: Final answer
    x = 357,545.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.