Home / 557,240.44-836,002.14-257,936.92

Finding the Fourth Proportional to 557,240.44, 836,002.14 and 257,936.92

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Solution

The fourth proportional to 557,240.44, 836,002.14 and 257,936.92 is: 386,970.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,240.44 : 836,002.14 = 257,936.92 : x
  2. Step 2: Convert to fraction form
    557,240.44/836,002.14 = 257,936.92/x
  3. Step 3: Cross multiply
    557,240.44x = 836,002.14 × 257,936.92
  4. Step 4: Simplify right side
    557,240.44x = 215,635,817,105.01
  5. Step 5: Solve for x
    x = 215,635,817,105.01/557,240.44
  6. Step 6: Final answer
    x = 386,970.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.