Home / 557,743.25-769,685.65-303,094.44

Finding the Fourth Proportional to 557,743.25, 769,685.65 and 303,094.44

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Solution

The fourth proportional to 557,743.25, 769,685.65 and 303,094.44 is: 418,270.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,743.25 : 769,685.65 = 303,094.44 : x
  2. Step 2: Convert to fraction form
    557,743.25/769,685.65 = 303,094.44/x
  3. Step 3: Cross multiply
    557,743.25x = 769,685.65 × 303,094.44
  4. Step 4: Simplify right side
    557,743.25x = 233,287,440,305.05
  5. Step 5: Solve for x
    x = 233,287,440,305.05/557,743.25
  6. Step 6: Final answer
    x = 418,270.30

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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.