Home / 751,445.68-1,036,995.06-411,906.64

Finding the Fourth Proportional to 751,445.68, 1,036,995.06 and 411,906.64

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Solution

The fourth proportional to 751,445.68, 1,036,995.06 and 411,906.64 is: 568,431.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,445.68 : 1,036,995.06 = 411,906.64 : x
  2. Step 2: Convert to fraction form
    751,445.68/1,036,995.06 = 411,906.64/x
  3. Step 3: Cross multiply
    751,445.68x = 1,036,995.06 × 411,906.64
  4. Step 4: Simplify right side
    751,445.68x = 427,145,150,861.20
  5. Step 5: Solve for x
    x = 427,145,150,861.20/751,445.68
  6. Step 6: Final answer
    x = 568,431.18

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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.