Home / 751,081.20-1,126,503.96-245,638.08

Finding the Fourth Proportional to 751,081.20, 1,126,503.96 and 245,638.08

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Solution

The fourth proportional to 751,081.20, 1,126,503.96 and 245,638.08 is: 368,418.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,081.20 : 1,126,503.96 = 245,638.08 : x
  2. Step 2: Convert to fraction form
    751,081.20/1,126,503.96 = 245,638.08/x
  3. Step 3: Cross multiply
    751,081.20x = 1,126,503.96 × 245,638.08
  4. Step 4: Simplify right side
    751,081.20x = 276,712,269,846.80
  5. Step 5: Solve for x
    x = 276,712,269,846.80/751,081.20
  6. Step 6: Final answer
    x = 368,418.58

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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.