Home / 838,234.56-1,257,539.26-305,755.57

Finding the Fourth Proportional to 838,234.56, 1,257,539.26 and 305,755.57

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Solution

The fourth proportional to 838,234.56, 1,257,539.26 and 305,755.57 is: 458,701.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,234.56 : 1,257,539.26 = 305,755.57 : x
  2. Step 2: Convert to fraction form
    838,234.56/1,257,539.26 = 305,755.57/x
  3. Step 3: Cross multiply
    838,234.56x = 1,257,539.26 × 305,755.57
  4. Step 4: Simplify right side
    838,234.56x = 384,499,633,238.68
  5. Step 5: Solve for x
    x = 384,499,633,238.68/838,234.56
  6. Step 6: Final answer
    x = 458,701.72

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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.