Home / 864,488.38-1,296,900.51-331,970.26

Finding the Fourth Proportional to 864,488.38, 1,296,900.51 and 331,970.26

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Solution

The fourth proportional to 864,488.38, 1,296,900.51 and 331,970.26 is: 498,019.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,488.38 : 1,296,900.51 = 331,970.26 : x
  2. Step 2: Convert to fraction form
    864,488.38/1,296,900.51 = 331,970.26/x
  3. Step 3: Cross multiply
    864,488.38x = 1,296,900.51 × 331,970.26
  4. Step 4: Simplify right side
    864,488.38x = 430,532,399,498.83
  5. Step 5: Solve for x
    x = 430,532,399,498.83/864,488.38
  6. Step 6: Final answer
    x = 498,019.88

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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.