Home / 413,799.78-620,707.49-114,288.33

Finding the Fourth Proportional to 413,799.78, 620,707.49 and 114,288.33

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Solution

The fourth proportional to 413,799.78, 620,707.49 and 114,288.33 is: 171,434.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,799.78 : 620,707.49 = 114,288.33 : x
  2. Step 2: Convert to fraction form
    413,799.78/620,707.49 = 114,288.33/x
  3. Step 3: Cross multiply
    413,799.78x = 620,707.49 × 114,288.33
  4. Step 4: Simplify right side
    413,799.78x = 70,939,621,879.15
  5. Step 5: Solve for x
    x = 70,939,621,879.15/413,799.78
  6. Step 6: Final answer
    x = 171,434.65

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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.