Home / 753,982.75-1,040,496.20-431,799.45

Finding the Fourth Proportional to 753,982.75, 1,040,496.20 and 431,799.45

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Solution

The fourth proportional to 753,982.75, 1,040,496.20 and 431,799.45 is: 595,883.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,982.75 : 1,040,496.20 = 431,799.45 : x
  2. Step 2: Convert to fraction form
    753,982.75/1,040,496.20 = 431,799.45/x
  3. Step 3: Cross multiply
    753,982.75x = 1,040,496.20 × 431,799.45
  4. Step 4: Simplify right side
    753,982.75x = 449,285,686,887.09
  5. Step 5: Solve for x
    x = 449,285,686,887.09/753,982.75
  6. Step 6: Final answer
    x = 595,883.24

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Double scale
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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.