Home / 759,773.48-1,139,628.54-198,795.56

Finding the Fourth Proportional to 759,773.48, 1,139,628.54 and 198,795.56

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Solution

The fourth proportional to 759,773.48, 1,139,628.54 and 198,795.56 is: 298,185.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,773.48 : 1,139,628.54 = 198,795.56 : x
  2. Step 2: Convert to fraction form
    759,773.48/1,139,628.54 = 198,795.56/x
  3. Step 3: Cross multiply
    759,773.48x = 1,139,628.54 × 198,795.56
  4. Step 4: Simplify right side
    759,773.48x = 226,553,093,801.28
  5. Step 5: Solve for x
    x = 226,553,093,801.28/759,773.48
  6. Step 6: Final answer
    x = 298,185.05

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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.