Home / 814,812.13-1,221,941.35-282,208.69

Finding the Fourth Proportional to 814,812.13, 1,221,941.35 and 282,208.69

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Solution

The fourth proportional to 814,812.13, 1,221,941.35 and 282,208.69 is: 423,217.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,812.13 : 1,221,941.35 = 282,208.69 : x
  2. Step 2: Convert to fraction form
    814,812.13/1,221,941.35 = 282,208.69/x
  3. Step 3: Cross multiply
    814,812.13x = 1,221,941.35 × 282,208.69
  4. Step 4: Simplify right side
    814,812.13x = 344,842,467,640.33
  5. Step 5: Solve for x
    x = 344,842,467,640.33/814,812.13
  6. Step 6: Final answer
    x = 423,217.15

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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.