Home / 705,129.53-1,058,114.45-255,885.44

Finding the Fourth Proportional to 705,129.53, 1,058,114.45 and 255,885.44

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Solution

The fourth proportional to 705,129.53, 1,058,114.45 and 255,885.44 is: 383,980.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,129.53 : 1,058,114.45 = 255,885.44 : x
  2. Step 2: Convert to fraction form
    705,129.53/1,058,114.45 = 255,885.44/x
  3. Step 3: Cross multiply
    705,129.53x = 1,058,114.45 × 255,885.44
  4. Step 4: Simplify right side
    705,129.53x = 270,756,076,957.75
  5. Step 5: Solve for x
    x = 270,756,076,957.75/705,129.53
  6. Step 6: Final answer
    x = 383,980.63

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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.