Home / 808,382.25-1,212,568.52-209,341.89

Finding the Fourth Proportional to 808,382.25, 1,212,568.52 and 209,341.89

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Solution

The fourth proportional to 808,382.25, 1,212,568.52 and 209,341.89 is: 314,011.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,382.25 : 1,212,568.52 = 209,341.89 : x
  2. Step 2: Convert to fraction form
    808,382.25/1,212,568.52 = 209,341.89/x
  3. Step 3: Cross multiply
    808,382.25x = 1,212,568.52 × 209,341.89
  4. Step 4: Simplify right side
    808,382.25x = 253,841,384,684.59
  5. Step 5: Solve for x
    x = 253,841,384,684.59/808,382.25
  6. Step 6: Final answer
    x = 314,011.58

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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.