Home / 888,387.72-1,225,971.42-480,490.04

Finding the Fourth Proportional to 888,387.72, 1,225,971.42 and 480,490.04

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Solution

The fourth proportional to 888,387.72, 1,225,971.42 and 480,490.04 is: 663,074.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,387.72 : 1,225,971.42 = 480,490.04 : x
  2. Step 2: Convert to fraction form
    888,387.72/1,225,971.42 = 480,490.04/x
  3. Step 3: Cross multiply
    888,387.72x = 1,225,971.42 × 480,490.04
  4. Step 4: Simplify right side
    888,387.72x = 589,067,056,634.66
  5. Step 5: Solve for x
    x = 589,067,056,634.66/888,387.72
  6. Step 6: Final answer
    x = 663,074.29

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1.5x scale

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.