Home / 751,321.72-1,126,953.42-301,907.80

Finding the Fourth Proportional to 751,321.72, 1,126,953.42 and 301,907.80

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Solution

The fourth proportional to 751,321.72, 1,126,953.42 and 301,907.80 is: 452,849.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,321.72 : 1,126,953.42 = 301,907.80 : x
  2. Step 2: Convert to fraction form
    751,321.72/1,126,953.42 = 301,907.80/x
  3. Step 3: Cross multiply
    751,321.72x = 1,126,953.42 × 301,907.80
  4. Step 4: Simplify right side
    751,321.72x = 340,236,027,734.68
  5. Step 5: Solve for x
    x = 340,236,027,734.68/751,321.72
  6. Step 6: Final answer
    x = 452,849.98

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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.