Home / 762,899.75-1,052,786.63-431,749.55

Finding the Fourth Proportional to 762,899.75, 1,052,786.63 and 431,749.55

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Solution

The fourth proportional to 762,899.75, 1,052,786.63 and 431,749.55 is: 595,805.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,899.75 : 1,052,786.63 = 431,749.55 : x
  2. Step 2: Convert to fraction form
    762,899.75/1,052,786.63 = 431,749.55/x
  3. Step 3: Cross multiply
    762,899.75x = 1,052,786.63 × 431,749.55
  4. Step 4: Simplify right side
    762,899.75x = 454,540,155,031.27
  5. Step 5: Solve for x
    x = 454,540,155,031.27/762,899.75
  6. Step 6: Final answer
    x = 595,805.87

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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.