Home / 861,329.25-1,291,895.46-230,292.27

Finding the Fourth Proportional to 861,329.25, 1,291,895.46 and 230,292.27

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Solution

The fourth proportional to 861,329.25, 1,291,895.46 and 230,292.27 is: 345,412.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,329.25 : 1,291,895.46 = 230,292.27 : x
  2. Step 2: Convert to fraction form
    861,329.25/1,291,895.46 = 230,292.27/x
  3. Step 3: Cross multiply
    861,329.25x = 1,291,895.46 × 230,292.27
  4. Step 4: Simplify right side
    861,329.25x = 297,513,538,086.09
  5. Step 5: Solve for x
    x = 297,513,538,086.09/861,329.25
  6. Step 6: Final answer
    x = 345,412.09

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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.