Home / 751,448.68-1,036,999.20-411,909.64

Finding the Fourth Proportional to 751,448.68, 1,036,999.20 and 411,909.64

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Solution

The fourth proportional to 751,448.68, 1,036,999.20 and 411,909.64 is: 568,435.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,448.68 : 1,036,999.20 = 411,909.64 : x
  2. Step 2: Convert to fraction form
    751,448.68/1,036,999.20 = 411,909.64/x
  3. Step 3: Cross multiply
    751,448.68x = 1,036,999.20 × 411,909.64
  4. Step 4: Simplify right side
    751,448.68x = 427,149,967,152.29
  5. Step 5: Solve for x
    x = 427,149,967,152.29/751,448.68
  6. Step 6: Final answer
    x = 568,435.32

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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.