Home / 838,375.76-1,257,749.20-305,895.26

Finding the Fourth Proportional to 838,375.76, 1,257,749.20 and 305,895.26

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Solution

The fourth proportional to 838,375.76, 1,257,749.20 and 305,895.26 is: 458,910.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,375.76 : 1,257,749.20 = 305,895.26 : x
  2. Step 2: Convert to fraction form
    838,375.76/1,257,749.20 = 305,895.26/x
  3. Step 3: Cross multiply
    838,375.76x = 1,257,749.20 × 305,895.26
  4. Step 4: Simplify right side
    838,375.76x = 384,739,518,548.79
  5. Step 5: Solve for x
    x = 384,739,518,548.79/838,375.76
  6. Step 6: Final answer
    x = 458,910.59

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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.