Home / 751,276.58-1,126,914.87-455,166.50

Finding the Fourth Proportional to 751,276.58, 1,126,914.87 and 455,166.50

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Solution

The fourth proportional to 751,276.58, 1,126,914.87 and 455,166.50 is: 682,749.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,276.58 : 1,126,914.87 = 455,166.50 : x
  2. Step 2: Convert to fraction form
    751,276.58/1,126,914.87 = 455,166.50/x
  3. Step 3: Cross multiply
    751,276.58x = 1,126,914.87 × 455,166.50
  4. Step 4: Simplify right side
    751,276.58x = 512,933,897,175.86
  5. Step 5: Solve for x
    x = 512,933,897,175.86/751,276.58
  6. Step 6: Final answer
    x = 682,749.75

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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.