Home / 769,475.71-1,061,874.25-429,944.23

Finding the Fourth Proportional to 769,475.71, 1,061,874.25 and 429,944.23

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Solution

The fourth proportional to 769,475.71, 1,061,874.25 and 429,944.23 is: 593,321.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,475.71 : 1,061,874.25 = 429,944.23 : x
  2. Step 2: Convert to fraction form
    769,475.71/1,061,874.25 = 429,944.23/x
  3. Step 3: Cross multiply
    769,475.71x = 1,061,874.25 × 429,944.23
  4. Step 4: Simplify right side
    769,475.71x = 456,546,706,773.08
  5. Step 5: Solve for x
    x = 456,546,706,773.08/769,475.71
  6. Step 6: Final answer
    x = 593,321.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.