Home / 413,932.14-620,786.97-114,342.30

Finding the Fourth Proportional to 413,932.14, 620,786.97 and 114,342.30

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Solution

The fourth proportional to 413,932.14, 620,786.97 and 114,342.30 is: 171,482.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,932.14 : 620,786.97 = 114,342.30 : x
  2. Step 2: Convert to fraction form
    413,932.14/620,786.97 = 114,342.30/x
  3. Step 3: Cross multiply
    413,932.14x = 620,786.97 × 114,342.30
  4. Step 4: Simplify right side
    413,932.14x = 70,982,209,959.83
  5. Step 5: Solve for x
    x = 70,982,209,959.83/413,932.14
  6. Step 6: Final answer
    x = 171,482.72

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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.