Home / 817,627.78-1,226,490.87-344,350.03

Finding the Fourth Proportional to 817,627.78, 1,226,490.87 and 344,350.03

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Solution

The fourth proportional to 817,627.78, 1,226,490.87 and 344,350.03 is: 516,545.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,627.78 : 1,226,490.87 = 344,350.03 : x
  2. Step 2: Convert to fraction form
    817,627.78/1,226,490.87 = 344,350.03/x
  3. Step 3: Cross multiply
    817,627.78x = 1,226,490.87 × 344,350.03
  4. Step 4: Simplify right side
    817,627.78x = 422,342,167,879.23
  5. Step 5: Solve for x
    x = 422,342,167,879.23/817,627.78
  6. Step 6: Final answer
    x = 516,545.77

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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.