Home / 814,276.18-1,221,498.06-281,796.40

Finding the Fourth Proportional to 814,276.18, 1,221,498.06 and 281,796.40

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Solution

The fourth proportional to 814,276.18, 1,221,498.06 and 281,796.40 is: 422,723.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,276.18 : 1,221,498.06 = 281,796.40 : x
  2. Step 2: Convert to fraction form
    814,276.18/1,221,498.06 = 281,796.40/x
  3. Step 3: Cross multiply
    814,276.18x = 1,221,498.06 × 281,796.40
  4. Step 4: Simplify right side
    814,276.18x = 344,213,755,914.98
  5. Step 5: Solve for x
    x = 344,213,755,914.98/814,276.18
  6. Step 6: Final answer
    x = 422,723.60

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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.