Home / 512,964.66-769,460.14-243,029.60

Finding the Fourth Proportional to 512,964.66, 769,460.14 and 243,029.60

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Solution

The fourth proportional to 512,964.66, 769,460.14 and 243,029.60 is: 364,550.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,964.66 : 769,460.14 = 243,029.60 : x
  2. Step 2: Convert to fraction form
    512,964.66/769,460.14 = 243,029.60/x
  3. Step 3: Cross multiply
    512,964.66x = 769,460.14 × 243,029.60
  4. Step 4: Simplify right side
    512,964.66x = 187,001,590,040.14
  5. Step 5: Solve for x
    x = 187,001,590,040.14/512,964.66
  6. Step 6: Final answer
    x = 364,550.63

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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.