Home / 872,564.25-1,308,846.75-273,572.09

Finding the Fourth Proportional to 872,564.25, 1,308,846.75 and 273,572.09

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Solution

The fourth proportional to 872,564.25, 1,308,846.75 and 273,572.09 is: 410,358.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,564.25 : 1,308,846.75 = 273,572.09 : x
  2. Step 2: Convert to fraction form
    872,564.25/1,308,846.75 = 273,572.09/x
  3. Step 3: Cross multiply
    872,564.25x = 1,308,846.75 × 273,572.09
  4. Step 4: Simplify right side
    872,564.25x = 358,063,940,887.21
  5. Step 5: Solve for x
    x = 358,063,940,887.21/872,564.25
  6. Step 6: Final answer
    x = 410,358.25

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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.