Home / 872,600.70-1,308,898.62-273,564.39

Finding the Fourth Proportional to 872,600.70, 1,308,898.62 and 273,564.39

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Solution

The fourth proportional to 872,600.70, 1,308,898.62 and 273,564.39 is: 410,345.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,600.70 : 1,308,898.62 = 273,564.39 : x
  2. Step 2: Convert to fraction form
    872,600.70/1,308,898.62 = 273,564.39/x
  3. Step 3: Cross multiply
    872,600.70x = 1,308,898.62 × 273,564.39
  4. Step 4: Simplify right side
    872,600.70x = 358,068,052,552.14
  5. Step 5: Solve for x
    x = 358,068,052,552.14/872,600.70
  6. Step 6: Final answer
    x = 410,345.82

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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.