Home / 493,983.28-681,412.66-297,613.36

Finding the Fourth Proportional to 493,983.28, 681,412.66 and 297,613.36

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Solution

The fourth proportional to 493,983.28, 681,412.66 and 297,613.36 is: 410,535.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,983.28 : 681,412.66 = 297,613.36 : x
  2. Step 2: Convert to fraction form
    493,983.28/681,412.66 = 297,613.36/x
  3. Step 3: Cross multiply
    493,983.28x = 681,412.66 × 297,613.36
  4. Step 4: Simplify right side
    493,983.28x = 202,797,511,289.14
  5. Step 5: Solve for x
    x = 202,797,511,289.14/493,983.28
  6. Step 6: Final answer
    x = 410,535.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.