Home / 432,249.48-647,848.94-305,926.47

Finding the Fourth Proportional to 432,249.48, 647,848.94 and 305,926.47

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Solution

The fourth proportional to 432,249.48, 647,848.94 and 305,926.47 is: 458,517.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,249.48 : 647,848.94 = 305,926.47 : x
  2. Step 2: Convert to fraction form
    432,249.48/647,848.94 = 305,926.47/x
  3. Step 3: Cross multiply
    432,249.48x = 647,848.94 × 305,926.47
  4. Step 4: Simplify right side
    432,249.48x = 198,194,137,777.81
  5. Step 5: Solve for x
    x = 198,194,137,777.81/432,249.48
  6. Step 6: Final answer
    x = 458,517.93

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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.