Home / 409,292.21-560,733.05-393,951.67

Finding the Fourth Proportional to 409,292.21, 560,733.05 and 393,951.67

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Solution

The fourth proportional to 409,292.21, 560,733.05 and 393,951.67 is: 539,716.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,292.21 : 560,733.05 = 393,951.67 : x
  2. Step 2: Convert to fraction form
    409,292.21/560,733.05 = 393,951.67/x
  3. Step 3: Cross multiply
    409,292.21x = 560,733.05 × 393,951.67
  4. Step 4: Simplify right side
    409,292.21x = 220,901,721,471.69
  5. Step 5: Solve for x
    x = 220,901,721,471.69/409,292.21
  6. Step 6: Final answer
    x = 539,716.41

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.