Home / 814,913.11-1,221,621.26-282,061.49

Finding the Fourth Proportional to 814,913.11, 1,221,621.26 and 282,061.49

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Solution

The fourth proportional to 814,913.11, 1,221,621.26 and 282,061.49 is: 422,833.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,913.11 : 1,221,621.26 = 282,061.49 : x
  2. Step 2: Convert to fraction form
    814,913.11/1,221,621.26 = 282,061.49/x
  3. Step 3: Cross multiply
    814,913.11x = 1,221,621.26 × 282,061.49
  4. Step 4: Simplify right side
    814,913.11x = 344,572,313,751.08
  5. Step 5: Solve for x
    x = 344,572,313,751.08/814,913.11
  6. Step 6: Final answer
    x = 422,833.20

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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.