Home / 823,077.64-1,234,838.36-343,145.96

Finding the Fourth Proportional to 823,077.64, 1,234,838.36 and 343,145.96

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Solution

The fourth proportional to 823,077.64, 1,234,838.36 and 343,145.96 is: 514,811.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,077.64 : 1,234,838.36 = 343,145.96 : x
  2. Step 2: Convert to fraction form
    823,077.64/1,234,838.36 = 343,145.96/x
  3. Step 3: Cross multiply
    823,077.64x = 1,234,838.36 × 343,145.96
  4. Step 4: Simplify right side
    823,077.64x = 423,729,794,487.03
  5. Step 5: Solve for x
    x = 423,729,794,487.03/823,077.64
  6. Step 6: Final answer
    x = 514,811.45

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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.