Home / 751,136.22-1,036,002.56-521,693.80

Finding the Fourth Proportional to 751,136.22, 1,036,002.56 and 521,693.80

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Solution

The fourth proportional to 751,136.22, 1,036,002.56 and 521,693.80 is: 719,544.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,136.22 : 1,036,002.56 = 521,693.80 : x
  2. Step 2: Convert to fraction form
    751,136.22/1,036,002.56 = 521,693.80/x
  3. Step 3: Cross multiply
    751,136.22x = 1,036,002.56 × 521,693.80
  4. Step 4: Simplify right side
    751,136.22x = 540,476,107,137.65
  5. Step 5: Solve for x
    x = 540,476,107,137.65/751,136.22
  6. Step 6: Final answer
    x = 719,544.73

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Double scale
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1.5x scale

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.