Home / 751,408.40-1,127,112.60-658,096.40

Finding the Fourth Proportional to 751,408.40, 1,127,112.60 and 658,096.40

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Solution

The fourth proportional to 751,408.40, 1,127,112.60 and 658,096.40 is: 987,144.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,408.40 : 1,127,112.60 = 658,096.40 : x
  2. Step 2: Convert to fraction form
    751,408.40/1,127,112.60 = 658,096.40/x
  3. Step 3: Cross multiply
    751,408.40x = 1,127,112.60 × 658,096.40
  4. Step 4: Simplify right side
    751,408.40x = 741,748,744,454.64
  5. Step 5: Solve for x
    x = 741,748,744,454.64/751,408.40
  6. Step 6: Final answer
    x = 987,144.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.