Home / 864,450.76-1,295,789.34-331,828.36

Finding the Fourth Proportional to 864,450.76, 1,295,789.34 and 331,828.36

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Solution

The fourth proportional to 864,450.76, 1,295,789.34 and 331,828.36 is: 497,402.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,450.76 : 1,295,789.34 = 331,828.36 : x
  2. Step 2: Convert to fraction form
    864,450.76/1,295,789.34 = 331,828.36/x
  3. Step 3: Cross multiply
    864,450.76x = 1,295,789.34 × 331,828.36
  4. Step 4: Simplify right side
    864,450.76x = 429,979,651,597.68
  5. Step 5: Solve for x
    x = 429,979,651,597.68/864,450.76
  6. Step 6: Final answer
    x = 497,402.13

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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.