Home / 756,928.64-1,135,480.80-251,534.72

Finding the Fourth Proportional to 756,928.64, 1,135,480.80 and 251,534.72

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Solution

The fourth proportional to 756,928.64, 1,135,480.80 and 251,534.72 is: 377,331.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,928.64 : 1,135,480.80 = 251,534.72 : x
  2. Step 2: Convert to fraction form
    756,928.64/1,135,480.80 = 251,534.72/x
  3. Step 3: Cross multiply
    756,928.64x = 1,135,480.80 × 251,534.72
  4. Step 4: Simplify right side
    756,928.64x = 285,612,845,093.38
  5. Step 5: Solve for x
    x = 285,612,845,093.38/756,928.64
  6. Step 6: Final answer
    x = 377,331.27

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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.