Home / 800,731.73-1,104,976.80-478,619.43

Finding the Fourth Proportional to 800,731.73, 1,104,976.80 and 478,619.43

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Solution

The fourth proportional to 800,731.73, 1,104,976.80 and 478,619.43 is: 660,475.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,731.73 : 1,104,976.80 = 478,619.43 : x
  2. Step 2: Convert to fraction form
    800,731.73/1,104,976.80 = 478,619.43/x
  3. Step 3: Cross multiply
    800,731.73x = 1,104,976.80 × 478,619.43
  4. Step 4: Simplify right side
    800,731.73x = 528,863,366,179.22
  5. Step 5: Solve for x
    x = 528,863,366,179.22/800,731.73
  6. Step 6: Final answer
    x = 660,475.10

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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.