Home / 769,505.28-1,061,966.16-429,974.16

Finding the Fourth Proportional to 769,505.28, 1,061,966.16 and 429,974.16

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Solution

The fourth proportional to 769,505.28, 1,061,966.16 and 429,974.16 is: 593,391.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,505.28 : 1,061,966.16 = 429,974.16 : x
  2. Step 2: Convert to fraction form
    769,505.28/1,061,966.16 = 429,974.16/x
  3. Step 3: Cross multiply
    769,505.28x = 1,061,966.16 × 429,974.16
  4. Step 4: Simplify right side
    769,505.28x = 456,618,007,594.43
  5. Step 5: Solve for x
    x = 456,618,007,594.43/769,505.28
  6. Step 6: Final answer
    x = 593,391.65

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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.