Home / 705,739.43-1,058,650.16-256,458.56

Finding the Fourth Proportional to 705,739.43, 1,058,650.16 and 256,458.56

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Solution

The fourth proportional to 705,739.43, 1,058,650.16 and 256,458.56 is: 384,702.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,739.43 : 1,058,650.16 = 256,458.56 : x
  2. Step 2: Convert to fraction form
    705,739.43/1,058,650.16 = 256,458.56/x
  3. Step 3: Cross multiply
    705,739.43x = 1,058,650.16 × 256,458.56
  4. Step 4: Simplify right side
    705,739.43x = 271,499,889,001.83
  5. Step 5: Solve for x
    x = 271,499,889,001.83/705,739.43
  6. Step 6: Final answer
    x = 384,702.73

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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.