Home / 557,815.56-769,790.48-303,167.04

Finding the Fourth Proportional to 557,815.56, 769,790.48 and 303,167.04

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Solution

The fourth proportional to 557,815.56, 769,790.48 and 303,167.04 is: 418,373.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,815.56 : 769,790.48 = 303,167.04 : x
  2. Step 2: Convert to fraction form
    557,815.56/769,790.48 = 303,167.04/x
  3. Step 3: Cross multiply
    557,815.56x = 769,790.48 × 303,167.04
  4. Step 4: Simplify right side
    557,815.56x = 233,375,101,241.78
  5. Step 5: Solve for x
    x = 233,375,101,241.78/557,815.56
  6. Step 6: Final answer
    x = 418,373.24

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1.5x scale

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.