Home / 814,372.80-1,221,956.64-576,018.15

Finding the Fourth Proportional to 814,372.80, 1,221,956.64 and 576,018.15

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Solution

The fourth proportional to 814,372.80, 1,221,956.64 and 576,018.15 is: 864,308.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,372.80 : 1,221,956.64 = 576,018.15 : x
  2. Step 2: Convert to fraction form
    814,372.80/1,221,956.64 = 576,018.15/x
  3. Step 3: Cross multiply
    814,372.80x = 1,221,956.64 × 576,018.15
  4. Step 4: Simplify right side
    814,372.80x = 703,869,203,153.02
  5. Step 5: Solve for x
    x = 703,869,203,153.02/814,372.80
  6. Step 6: Final answer
    x = 864,308.34

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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.