Home / 814,812.26-1,221,941.54-282,208.82

Finding the Fourth Proportional to 814,812.26, 1,221,941.54 and 282,208.82

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Solution

The fourth proportional to 814,812.26, 1,221,941.54 and 282,208.82 is: 423,217.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,812.26 : 1,221,941.54 = 282,208.82 : x
  2. Step 2: Convert to fraction form
    814,812.26/1,221,941.54 = 282,208.82/x
  3. Step 3: Cross multiply
    814,812.26x = 1,221,941.54 × 282,208.82
  4. Step 4: Simplify right side
    814,812.26x = 344,842,674,708.20
  5. Step 5: Solve for x
    x = 344,842,674,708.20/814,812.26
  6. Step 6: Final answer
    x = 423,217.34

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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.