Home / 762,825.22-1,052,747.97-423,293.47

Finding the Fourth Proportional to 762,825.22, 1,052,747.97 and 423,293.47

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Solution

The fourth proportional to 762,825.22, 1,052,747.97 and 423,293.47 is: 584,172.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,825.22 : 1,052,747.97 = 423,293.47 : x
  2. Step 2: Convert to fraction form
    762,825.22/1,052,747.97 = 423,293.47/x
  3. Step 3: Cross multiply
    762,825.22x = 1,052,747.97 × 423,293.47
  4. Step 4: Simplify right side
    762,825.22x = 445,621,335,993.02
  5. Step 5: Solve for x
    x = 445,621,335,993.02/762,825.22
  6. Step 6: Final answer
    x = 584,172.27

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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.