Home / 751,222.12-1,036,694.50-411,682.92

Finding the Fourth Proportional to 751,222.12, 1,036,694.50 and 411,682.92

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Solution

The fourth proportional to 751,222.12, 1,036,694.50 and 411,682.92 is: 568,126.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,222.12 : 1,036,694.50 = 411,682.92 : x
  2. Step 2: Convert to fraction form
    751,222.12/1,036,694.50 = 411,682.92/x
  3. Step 3: Cross multiply
    751,222.12x = 1,036,694.50 × 411,682.92
  4. Step 4: Simplify right side
    751,222.12x = 426,789,418,907.94
  5. Step 5: Solve for x
    x = 426,789,418,907.94/751,222.12
  6. Step 6: Final answer
    x = 568,126.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.