Home / 800,132.86-1,104,172.72-455,989.28

Finding the Fourth Proportional to 800,132.86, 1,104,172.72 and 455,989.28

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Solution

The fourth proportional to 800,132.86, 1,104,172.72 and 455,989.28 is: 629,259.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,132.86 : 1,104,172.72 = 455,989.28 : x
  2. Step 2: Convert to fraction form
    800,132.86/1,104,172.72 = 455,989.28/x
  3. Step 3: Cross multiply
    800,132.86x = 1,104,172.72 × 455,989.28
  4. Step 4: Simplify right side
    800,132.86x = 503,490,923,588.44
  5. Step 5: Solve for x
    x = 503,490,923,588.44/800,132.86
  6. Step 6: Final answer
    x = 629,259.15

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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.