Home / 705,086.60-1,058,234.70-284,664.20

Finding the Fourth Proportional to 705,086.60, 1,058,234.70 and 284,664.20

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Solution

The fourth proportional to 705,086.60, 1,058,234.70 and 284,664.20 is: 427,240.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,086.60 : 1,058,234.70 = 284,664.20 : x
  2. Step 2: Convert to fraction form
    705,086.60/1,058,234.70 = 284,664.20/x
  3. Step 3: Cross multiply
    705,086.60x = 1,058,234.70 × 284,664.20
  4. Step 4: Simplify right side
    705,086.60x = 301,241,534,287.74
  5. Step 5: Solve for x
    x = 301,241,534,287.74/705,086.60
  6. Step 6: Final answer
    x = 427,240.48

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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.