Home / 867,224.92-1,299,154.20-639,106.24

Finding the Fourth Proportional to 867,224.92, 1,299,154.20 and 639,106.24

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Solution

The fourth proportional to 867,224.92, 1,299,154.20 and 639,106.24 is: 957,418.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,224.92 : 1,299,154.20 = 639,106.24 : x
  2. Step 2: Convert to fraction form
    867,224.92/1,299,154.20 = 639,106.24/x
  3. Step 3: Cross multiply
    867,224.92x = 1,299,154.20 × 639,106.24
  4. Step 4: Simplify right side
    867,224.92x = 830,297,555,942.21
  5. Step 5: Solve for x
    x = 830,297,555,942.21/867,224.92
  6. Step 6: Final answer
    x = 957,418.93

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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.