Home / 557,276.09-769,276.42-376,233.24

Finding the Fourth Proportional to 557,276.09, 769,276.42 and 376,233.24

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Solution

The fourth proportional to 557,276.09, 769,276.42 and 376,233.24 is: 519,360.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,276.09 : 769,276.42 = 376,233.24 : x
  2. Step 2: Convert to fraction form
    557,276.09/769,276.42 = 376,233.24/x
  3. Step 3: Cross multiply
    557,276.09x = 769,276.42 × 376,233.24
  4. Step 4: Simplify right side
    557,276.09x = 289,427,359,432.27
  5. Step 5: Solve for x
    x = 289,427,359,432.27/557,276.09
  6. Step 6: Final answer
    x = 519,360.81

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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.