Home / 864,488.88-1,296,901.26-331,970.76

Finding the Fourth Proportional to 864,488.88, 1,296,901.26 and 331,970.76

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Solution

The fourth proportional to 864,488.88, 1,296,901.26 and 331,970.76 is: 498,020.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,488.88 : 1,296,901.26 = 331,970.76 : x
  2. Step 2: Convert to fraction form
    864,488.88/1,296,901.26 = 331,970.76/x
  3. Step 3: Cross multiply
    864,488.88x = 1,296,901.26 × 331,970.76
  4. Step 4: Simplify right side
    864,488.88x = 430,533,296,927.16
  5. Step 5: Solve for x
    x = 430,533,296,927.16/864,488.88
  6. Step 6: Final answer
    x = 498,020.63

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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.