Home / 921,843.20-1,382,764.80-575,724.80

Finding the Fourth Proportional to 921,843.20, 1,382,764.80 and 575,724.80

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Solution

The fourth proportional to 921,843.20, 1,382,764.80 and 575,724.80 is: 863,587.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,843.20 : 1,382,764.80 = 575,724.80 : x
  2. Step 2: Convert to fraction form
    921,843.20/1,382,764.80 = 575,724.80/x
  3. Step 3: Cross multiply
    921,843.20x = 1,382,764.80 × 575,724.80
  4. Step 4: Simplify right side
    921,843.20x = 796,091,987,927.04
  5. Step 5: Solve for x
    x = 796,091,987,927.04/921,843.20
  6. Step 6: Final answer
    x = 863,587.20

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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.