Home / 705,857.88-1,058,784.30-306,446.52

Finding the Fourth Proportional to 705,857.88, 1,058,784.30 and 306,446.52

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Solution

The fourth proportional to 705,857.88, 1,058,784.30 and 306,446.52 is: 459,668.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,857.88 : 1,058,784.30 = 306,446.52 : x
  2. Step 2: Convert to fraction form
    705,857.88/1,058,784.30 = 306,446.52/x
  3. Step 3: Cross multiply
    705,857.88x = 1,058,784.30 × 306,446.52
  4. Step 4: Simplify right side
    705,857.88x = 324,460,764,165.64
  5. Step 5: Solve for x
    x = 324,460,764,165.64/705,857.88
  6. Step 6: Final answer
    x = 459,668.69

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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.