Home / 751,274.94-1,126,921.05-271,539.18

Finding the Fourth Proportional to 751,274.94, 1,126,921.05 and 271,539.18

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Solution

The fourth proportional to 751,274.94, 1,126,921.05 and 271,539.18 is: 407,311.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,274.94 : 1,126,921.05 = 271,539.18 : x
  2. Step 2: Convert to fraction form
    751,274.94/1,126,921.05 = 271,539.18/x
  3. Step 3: Cross multiply
    751,274.94x = 1,126,921.05 × 271,539.18
  4. Step 4: Simplify right side
    751,274.94x = 306,003,217,841.74
  5. Step 5: Solve for x
    x = 306,003,217,841.74/751,274.94
  6. Step 6: Final answer
    x = 407,311.89

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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.