Home / 705,142.88-1,058,134.61-255,898.85

Finding the Fourth Proportional to 705,142.88, 1,058,134.61 and 255,898.85

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Solution

The fourth proportional to 705,142.88, 1,058,134.61 and 255,898.85 is: 384,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,142.88 : 1,058,134.61 = 255,898.85 : x
  2. Step 2: Convert to fraction form
    705,142.88/1,058,134.61 = 255,898.85/x
  3. Step 3: Cross multiply
    705,142.88x = 1,058,134.61 × 255,898.85
  4. Step 4: Simplify right side
    705,142.88x = 270,775,431,210.04
  5. Step 5: Solve for x
    x = 270,775,431,210.04/705,142.88
  6. Step 6: Final answer
    x = 384,000.80

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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.