Home / 814,535.54-1,221,807.35-335,024.82

Finding the Fourth Proportional to 814,535.54, 1,221,807.35 and 335,024.82

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Solution

The fourth proportional to 814,535.54, 1,221,807.35 and 335,024.82 is: 502,538.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,535.54 : 1,221,807.35 = 335,024.82 : x
  2. Step 2: Convert to fraction form
    814,535.54/1,221,807.35 = 335,024.82/x
  3. Step 3: Cross multiply
    814,535.54x = 1,221,807.35 × 335,024.82
  4. Step 4: Simplify right side
    814,535.54x = 409,335,787,508.43
  5. Step 5: Solve for x
    x = 409,335,787,508.43/814,535.54
  6. Step 6: Final answer
    x = 502,538.89

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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.