Home / 861,736.74-1,293,195.51-300,771.24

Finding the Fourth Proportional to 861,736.74, 1,293,195.51 and 300,771.24

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Solution

The fourth proportional to 861,736.74, 1,293,195.51 and 300,771.24 is: 451,362.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,736.74 : 1,293,195.51 = 300,771.24 : x
  2. Step 2: Convert to fraction form
    861,736.74/1,293,195.51 = 300,771.24/x
  3. Step 3: Cross multiply
    861,736.74x = 1,293,195.51 × 300,771.24
  4. Step 4: Simplify right side
    861,736.74x = 388,956,017,105.13
  5. Step 5: Solve for x
    x = 388,956,017,105.13/861,736.74
  6. Step 6: Final answer
    x = 451,362.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.