Home / 814,812.51-1,221,941.92-282,209.07

Finding the Fourth Proportional to 814,812.51, 1,221,941.92 and 282,209.07

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Solution

The fourth proportional to 814,812.51, 1,221,941.92 and 282,209.07 is: 423,217.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,812.51 : 1,221,941.92 = 282,209.07 : x
  2. Step 2: Convert to fraction form
    814,812.51/1,221,941.92 = 282,209.07/x
  3. Step 3: Cross multiply
    814,812.51x = 1,221,941.92 × 282,209.07
  4. Step 4: Simplify right side
    814,812.51x = 344,843,086,021.98
  5. Step 5: Solve for x
    x = 344,843,086,021.98/814,812.51
  6. Step 6: Final answer
    x = 423,217.71

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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.