Home / 872,331.18-1,308,495.12-273,338.22

Finding the Fourth Proportional to 872,331.18, 1,308,495.12 and 273,338.22

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Solution

The fourth proportional to 872,331.18, 1,308,495.12 and 273,338.22 is: 410,006.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,331.18 : 1,308,495.12 = 273,338.22 : x
  2. Step 2: Convert to fraction form
    872,331.18/1,308,495.12 = 273,338.22/x
  3. Step 3: Cross multiply
    872,331.18x = 1,308,495.12 × 273,338.22
  4. Step 4: Simplify right side
    872,331.18x = 357,661,726,979.49
  5. Step 5: Solve for x
    x = 357,661,726,979.49/872,331.18
  6. Step 6: Final answer
    x = 410,006.81

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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.