Home / 557,695.08-769,621.23-303,046.20

Finding the Fourth Proportional to 557,695.08, 769,621.23 and 303,046.20

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Solution

The fourth proportional to 557,695.08, 769,621.23 and 303,046.20 is: 418,204.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,695.08 : 769,621.23 = 303,046.20 : x
  2. Step 2: Convert to fraction form
    557,695.08/769,621.23 = 303,046.20/x
  3. Step 3: Cross multiply
    557,695.08x = 769,621.23 × 303,046.20
  4. Step 4: Simplify right side
    557,695.08x = 233,230,789,190.83
  5. Step 5: Solve for x
    x = 233,230,789,190.83/557,695.08
  6. Step 6: Final answer
    x = 418,204.85

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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.