Home / 751,207.76-1,036,661.46-411,668.72

Finding the Fourth Proportional to 751,207.76, 1,036,661.46 and 411,668.72

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Solution

The fourth proportional to 751,207.76, 1,036,661.46 and 411,668.72 is: 568,099.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,207.76 : 1,036,661.46 = 411,668.72 : x
  2. Step 2: Convert to fraction form
    751,207.76/1,036,661.46 = 411,668.72/x
  3. Step 3: Cross multiply
    751,207.76x = 1,036,661.46 × 411,668.72
  4. Step 4: Simplify right side
    751,207.76x = 426,761,096,311.53
  5. Step 5: Solve for x
    x = 426,761,096,311.53/751,207.76
  6. Step 6: Final answer
    x = 568,099.96

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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.