Home / 879,859.26-1,320,288.11-475,046.04

Finding the Fourth Proportional to 879,859.26, 1,320,288.11 and 475,046.04

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Solution

The fourth proportional to 879,859.26, 1,320,288.11 and 475,046.04 is: 712,838.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,859.26 : 1,320,288.11 = 475,046.04 : x
  2. Step 2: Convert to fraction form
    879,859.26/1,320,288.11 = 475,046.04/x
  3. Step 3: Cross multiply
    879,859.26x = 1,320,288.11 × 475,046.04
  4. Step 4: Simplify right side
    879,859.26x = 627,197,635,939.35
  5. Step 5: Solve for x
    x = 627,197,635,939.35/879,859.26
  6. Step 6: Final answer
    x = 712,838.59

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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.