Home / 751,370.55-1,036,997.69-464,982.90

Finding the Fourth Proportional to 751,370.55, 1,036,997.69 and 464,982.90

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Solution

The fourth proportional to 751,370.55, 1,036,997.69 and 464,982.90 is: 641,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,370.55 : 1,036,997.69 = 464,982.90 : x
  2. Step 2: Convert to fraction form
    751,370.55/1,036,997.69 = 464,982.90/x
  3. Step 3: Cross multiply
    751,370.55x = 1,036,997.69 × 464,982.90
  4. Step 4: Simplify right side
    751,370.55x = 482,186,190,015.78
  5. Step 5: Solve for x
    x = 482,186,190,015.78/751,370.55
  6. Step 6: Final answer
    x = 641,742.20

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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.