Home / 429,914.89-644,871.56-114,371.79

Finding the Fourth Proportional to 429,914.89, 644,871.56 and 114,371.79

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Solution

The fourth proportional to 429,914.89, 644,871.56 and 114,371.79 is: 171,557.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,914.89 : 644,871.56 = 114,371.79 : x
  2. Step 2: Convert to fraction form
    429,914.89/644,871.56 = 114,371.79/x
  3. Step 3: Cross multiply
    429,914.89x = 644,871.56 × 114,371.79
  4. Step 4: Simplify right side
    429,914.89x = 73,755,114,637.29
  5. Step 5: Solve for x
    x = 73,755,114,637.29/429,914.89
  6. Step 6: Final answer
    x = 171,557.48

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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.