Home / 852,051.40-1,277,591.10-319,589.80

Finding the Fourth Proportional to 852,051.40, 1,277,591.10 and 319,589.80

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Solution

The fourth proportional to 852,051.40, 1,277,591.10 and 319,589.80 is: 479,202.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,051.40 : 1,277,591.10 = 319,589.80 : x
  2. Step 2: Convert to fraction form
    852,051.40/1,277,591.10 = 319,589.80/x
  3. Step 3: Cross multiply
    852,051.40x = 1,277,591.10 × 319,589.80
  4. Step 4: Simplify right side
    852,051.40x = 408,305,084,130.78
  5. Step 5: Solve for x
    x = 408,305,084,130.78/852,051.40
  6. Step 6: Final answer
    x = 479,202.41

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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.