Home / 547,446.27-755,421.88-305,723.67

Finding the Fourth Proportional to 547,446.27, 755,421.88 and 305,723.67

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Solution

The fourth proportional to 547,446.27, 755,421.88 and 305,723.67 is: 421,868.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,446.27 : 755,421.88 = 305,723.67 : x
  2. Step 2: Convert to fraction form
    547,446.27/755,421.88 = 305,723.67/x
  3. Step 3: Cross multiply
    547,446.27x = 755,421.88 × 305,723.67
  4. Step 4: Simplify right side
    547,446.27x = 230,950,349,551.90
  5. Step 5: Solve for x
    x = 230,950,349,551.90/547,446.27
  6. Step 6: Final answer
    x = 421,868.52

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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.