Home / 814,725.64-1,221,796.84-282,103.64

Finding the Fourth Proportional to 814,725.64, 1,221,796.84 and 282,103.64

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Solution

The fourth proportional to 814,725.64, 1,221,796.84 and 282,103.64 is: 423,054.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,725.64 : 1,221,796.84 = 282,103.64 : x
  2. Step 2: Convert to fraction form
    814,725.64/1,221,796.84 = 282,103.64/x
  3. Step 3: Cross multiply
    814,725.64x = 1,221,796.84 × 282,103.64
  4. Step 4: Simplify right side
    814,725.64x = 344,673,335,904.50
  5. Step 5: Solve for x
    x = 344,673,335,904.50/814,725.64
  6. Step 6: Final answer
    x = 423,054.48

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Double scale
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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.