Home / 751,578.48-1,127,354.73-252,942.48

Finding the Fourth Proportional to 751,578.48, 1,127,354.73 and 252,942.48

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Solution

The fourth proportional to 751,578.48, 1,127,354.73 and 252,942.48 is: 379,409.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,578.48 : 1,127,354.73 = 252,942.48 : x
  2. Step 2: Convert to fraction form
    751,578.48/1,127,354.73 = 252,942.48/x
  3. Step 3: Cross multiply
    751,578.48x = 1,127,354.73 × 252,942.48
  4. Step 4: Simplify right side
    751,578.48x = 285,155,901,245.93
  5. Step 5: Solve for x
    x = 285,155,901,245.93/751,578.48
  6. Step 6: Final answer
    x = 379,409.35

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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.