Home / 756,904.56-1,135,027.17-217,041.54

Finding the Fourth Proportional to 756,904.56, 1,135,027.17 and 217,041.54

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Solution

The fourth proportional to 756,904.56, 1,135,027.17 and 217,041.54 is: 325,467.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,904.56 : 1,135,027.17 = 217,041.54 : x
  2. Step 2: Convert to fraction form
    756,904.56/1,135,027.17 = 217,041.54/x
  3. Step 3: Cross multiply
    756,904.56x = 1,135,027.17 × 217,041.54
  4. Step 4: Simplify right side
    756,904.56x = 246,348,044,918.64
  5. Step 5: Solve for x
    x = 246,348,044,918.64/756,904.56
  6. Step 6: Final answer
    x = 325,467.78

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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.