Home / 557,742.70-836,029.23-273,040.66

Finding the Fourth Proportional to 557,742.70, 836,029.23 and 273,040.66

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Solution

The fourth proportional to 557,742.70, 836,029.23 and 273,040.66 is: 409,274.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,742.70 : 836,029.23 = 273,040.66 : x
  2. Step 2: Convert to fraction form
    557,742.70/836,029.23 = 273,040.66/x
  3. Step 3: Cross multiply
    557,742.70x = 836,029.23 × 273,040.66
  4. Step 4: Simplify right side
    557,742.70x = 228,269,972,738.49
  5. Step 5: Solve for x
    x = 228,269,972,738.49/557,742.70
  6. Step 6: Final answer
    x = 409,274.69

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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.