Home / 777,799.70-1,166,008.35-511,687.70

Finding the Fourth Proportional to 777,799.70, 1,166,008.35 and 511,687.70

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Solution

The fourth proportional to 777,799.70, 1,166,008.35 and 511,687.70 is: 767,076.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,799.70 : 1,166,008.35 = 511,687.70 : x
  2. Step 2: Convert to fraction form
    777,799.70/1,166,008.35 = 511,687.70/x
  3. Step 3: Cross multiply
    777,799.70x = 1,166,008.35 × 511,687.70
  4. Step 4: Simplify right side
    777,799.70x = 596,632,130,792.30
  5. Step 5: Solve for x
    x = 596,632,130,792.30/777,799.70
  6. Step 6: Final answer
    x = 767,076.83

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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.