Home / 547,096.26-755,118.81-320,814.66

Finding the Fourth Proportional to 547,096.26, 755,118.81 and 320,814.66

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Solution

The fourth proportional to 547,096.26, 755,118.81 and 320,814.66 is: 442,798.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,096.26 : 755,118.81 = 320,814.66 : x
  2. Step 2: Convert to fraction form
    547,096.26/755,118.81 = 320,814.66/x
  3. Step 3: Cross multiply
    547,096.26x = 755,118.81 × 320,814.66
  4. Step 4: Simplify right side
    547,096.26x = 242,253,184,289.76
  5. Step 5: Solve for x
    x = 242,253,184,289.76/547,096.26
  6. Step 6: Final answer
    x = 442,798.10

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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.