Home / 800,100.62-1,104,128.08-455,957.02

Finding the Fourth Proportional to 800,100.62, 1,104,128.08 and 455,957.02

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Solution

The fourth proportional to 800,100.62, 1,104,128.08 and 455,957.02 is: 629,214.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,100.62 : 1,104,128.08 = 455,957.02 : x
  2. Step 2: Convert to fraction form
    800,100.62/1,104,128.08 = 455,957.02/x
  3. Step 3: Cross multiply
    800,100.62x = 1,104,128.08 × 455,957.02
  4. Step 4: Simplify right side
    800,100.62x = 503,434,949,055.12
  5. Step 5: Solve for x
    x = 503,434,949,055.12/800,100.62
  6. Step 6: Final answer
    x = 629,214.55

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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.