Home / 751,422.44-1,036,989.54-411,890.60

Finding the Fourth Proportional to 751,422.44, 1,036,989.54 and 411,890.60

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Solution

The fourth proportional to 751,422.44, 1,036,989.54 and 411,890.60 is: 568,423.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,422.44 : 1,036,989.54 = 411,890.60 : x
  2. Step 2: Convert to fraction form
    751,422.44/1,036,989.54 = 411,890.60/x
  3. Step 3: Cross multiply
    751,422.44x = 1,036,989.54 × 411,890.60
  4. Step 4: Simplify right side
    751,422.44x = 427,126,243,824.32
  5. Step 5: Solve for x
    x = 427,126,243,824.32/751,422.44
  6. Step 6: Final answer
    x = 568,423.59

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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.