Home / 777,505.91-1,166,180.00-208,813.10

Finding the Fourth Proportional to 777,505.91, 1,166,180.00 and 208,813.10

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Solution

The fourth proportional to 777,505.91, 1,166,180.00 and 208,813.10 is: 313,198.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,505.91 : 1,166,180.00 = 208,813.10 : x
  2. Step 2: Convert to fraction form
    777,505.91/1,166,180.00 = 208,813.10/x
  3. Step 3: Cross multiply
    777,505.91x = 1,166,180.00 × 208,813.10
  4. Step 4: Simplify right side
    777,505.91x = 243,513,654,083.04
  5. Step 5: Solve for x
    x = 243,513,654,083.04/777,505.91
  6. Step 6: Final answer
    x = 313,198.46

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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.