Home / 705,811.44-1,058,452.20-256,421.28

Finding the Fourth Proportional to 705,811.44, 1,058,452.20 and 256,421.28

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Solution

The fourth proportional to 705,811.44, 1,058,452.20 and 256,421.28 is: 384,535.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,811.44 : 1,058,452.20 = 256,421.28 : x
  2. Step 2: Convert to fraction form
    705,811.44/1,058,452.20 = 256,421.28/x
  3. Step 3: Cross multiply
    705,811.44x = 1,058,452.20 × 256,421.28
  4. Step 4: Simplify right side
    705,811.44x = 271,409,667,942.82
  5. Step 5: Solve for x
    x = 271,409,667,942.82/705,811.44
  6. Step 6: Final answer
    x = 384,535.66

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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.