Home / 819,835.83-1,131,375.16-457,250.37

Finding the Fourth Proportional to 819,835.83, 1,131,375.16 and 457,250.37

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Solution

The fourth proportional to 819,835.83, 1,131,375.16 and 457,250.37 is: 631,006.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,835.83 : 1,131,375.16 = 457,250.37 : x
  2. Step 2: Convert to fraction form
    819,835.83/1,131,375.16 = 457,250.37/x
  3. Step 3: Cross multiply
    819,835.83x = 1,131,375.16 × 457,250.37
  4. Step 4: Simplify right side
    819,835.83x = 517,321,706,847.72
  5. Step 5: Solve for x
    x = 517,321,706,847.72/819,835.83
  6. Step 6: Final answer
    x = 631,006.46

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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.