Home / 864,462.60-1,296,305.10-331,806.60

Finding the Fourth Proportional to 864,462.60, 1,296,305.10 and 331,806.60

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Solution

The fourth proportional to 864,462.60, 1,296,305.10 and 331,806.60 is: 497,560.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,462.60 : 1,296,305.10 = 331,806.60 : x
  2. Step 2: Convert to fraction form
    864,462.60/1,296,305.10 = 331,806.60/x
  3. Step 3: Cross multiply
    864,462.60x = 1,296,305.10 × 331,806.60
  4. Step 4: Simplify right side
    864,462.60x = 430,122,587,793.66
  5. Step 5: Solve for x
    x = 430,122,587,793.66/864,462.60
  6. Step 6: Final answer
    x = 497,560.67

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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.