Home / 715,284.80-1,072,927.20-322,068.80

Finding the Fourth Proportional to 715,284.80, 1,072,927.20 and 322,068.80

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Solution

The fourth proportional to 715,284.80, 1,072,927.20 and 322,068.80 is: 483,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,284.80 : 1,072,927.20 = 322,068.80 : x
  2. Step 2: Convert to fraction form
    715,284.80/1,072,927.20 = 322,068.80/x
  3. Step 3: Cross multiply
    715,284.80x = 1,072,927.20 × 322,068.80
  4. Step 4: Simplify right side
    715,284.80x = 345,556,375,791.36
  5. Step 5: Solve for x
    x = 345,556,375,791.36/715,284.80
  6. Step 6: Final answer
    x = 483,103.20

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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.