Home / 705,237.76-1,058,276.76-255,993.58

Finding the Fourth Proportional to 705,237.76, 1,058,276.76 and 255,993.58

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Solution

The fourth proportional to 705,237.76, 1,058,276.76 and 255,993.58 is: 384,142.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,237.76 : 1,058,276.76 = 255,993.58 : x
  2. Step 2: Convert to fraction form
    705,237.76/1,058,276.76 = 255,993.58/x
  3. Step 3: Cross multiply
    705,237.76x = 1,058,276.76 × 255,993.58
  4. Step 4: Simplify right side
    705,237.76x = 270,912,056,423.20
  5. Step 5: Solve for x
    x = 270,912,056,423.20/705,237.76
  6. Step 6: Final answer
    x = 384,142.87

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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.