Home / 861,824.43-1,293,327.14-300,858.93

Finding the Fourth Proportional to 861,824.43, 1,293,327.14 and 300,858.93

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Solution

The fourth proportional to 861,824.43, 1,293,327.14 and 300,858.93 is: 451,494.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,824.43 : 1,293,327.14 = 300,858.93 : x
  2. Step 2: Convert to fraction form
    861,824.43/1,293,327.14 = 300,858.93/x
  3. Step 3: Cross multiply
    861,824.43x = 1,293,327.14 × 300,858.93
  4. Step 4: Simplify right side
    861,824.43x = 389,109,017,976.07
  5. Step 5: Solve for x
    x = 389,109,017,976.07/861,824.43
  6. Step 6: Final answer
    x = 451,494.53

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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.