Home / 819,834.94-1,131,373.94-457,249.48

Finding the Fourth Proportional to 819,834.94, 1,131,373.94 and 457,249.48

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Solution

The fourth proportional to 819,834.94, 1,131,373.94 and 457,249.48 is: 631,005.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,834.94 : 1,131,373.94 = 457,249.48 : x
  2. Step 2: Convert to fraction form
    819,834.94/1,131,373.94 = 457,249.48/x
  3. Step 3: Cross multiply
    819,834.94x = 1,131,373.94 × 457,249.48
  4. Step 4: Simplify right side
    819,834.94x = 517,320,145,750.55
  5. Step 5: Solve for x
    x = 517,320,145,750.55/819,834.94
  6. Step 6: Final answer
    x = 631,005.24

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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.