Home / 868,490.58-1,300,811.07-667,330.26

Finding the Fourth Proportional to 868,490.58, 1,300,811.07 and 667,330.26

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Solution

The fourth proportional to 868,490.58, 1,300,811.07 and 667,330.26 is: 999,516.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,490.58 : 1,300,811.07 = 667,330.26 : x
  2. Step 2: Convert to fraction form
    868,490.58/1,300,811.07 = 667,330.26/x
  3. Step 3: Cross multiply
    868,490.58x = 1,300,811.07 × 667,330.26
  4. Step 4: Simplify right side
    868,490.58x = 868,070,589,553.98
  5. Step 5: Solve for x
    x = 868,070,589,553.98/868,490.58
  6. Step 6: Final answer
    x = 999,516.41

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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.