Home / 817,626.78-1,226,489.37-344,349.03

Finding the Fourth Proportional to 817,626.78, 1,226,489.37 and 344,349.03

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Solution

The fourth proportional to 817,626.78, 1,226,489.37 and 344,349.03 is: 516,544.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,626.78 : 1,226,489.37 = 344,349.03 : x
  2. Step 2: Convert to fraction form
    817,626.78/1,226,489.37 = 344,349.03/x
  3. Step 3: Cross multiply
    817,626.78x = 1,226,489.37 × 344,349.03
  4. Step 4: Simplify right side
    817,626.78x = 422,340,424,864.81
  5. Step 5: Solve for x
    x = 422,340,424,864.81/817,626.78
  6. Step 6: Final answer
    x = 516,544.27

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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.