Home / 722,481.33-997,057.07-400,191.41

Finding the Fourth Proportional to 722,481.33, 997,057.07 and 400,191.41

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Solution

The fourth proportional to 722,481.33, 997,057.07 and 400,191.41 is: 552,282.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,481.33 : 997,057.07 = 400,191.41 : x
  2. Step 2: Convert to fraction form
    722,481.33/997,057.07 = 400,191.41/x
  3. Step 3: Cross multiply
    722,481.33x = 997,057.07 × 400,191.41
  4. Step 4: Simplify right side
    722,481.33x = 399,013,667,707.53
  5. Step 5: Solve for x
    x = 399,013,667,707.53/722,481.33
  6. Step 6: Final answer
    x = 552,282.32

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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.