Home / 814,724.62-1,221,795.30-282,102.64

Finding the Fourth Proportional to 814,724.62, 1,221,795.30 and 282,102.64

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Solution

The fourth proportional to 814,724.62, 1,221,795.30 and 282,102.64 is: 423,052.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,724.62 : 1,221,795.30 = 282,102.64 : x
  2. Step 2: Convert to fraction form
    814,724.62/1,221,795.30 = 282,102.64/x
  3. Step 3: Cross multiply
    814,724.62x = 1,221,795.30 × 282,102.64
  4. Step 4: Simplify right side
    814,724.62x = 344,671,679,669.59
  5. Step 5: Solve for x
    x = 344,671,679,669.59/814,724.62
  6. Step 6: Final answer
    x = 423,052.98

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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.