Home / 705,563.40-1,058,408.10-200,129.16

Finding the Fourth Proportional to 705,563.40, 1,058,408.10 and 200,129.16

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Solution

The fourth proportional to 705,563.40, 1,058,408.10 and 200,129.16 is: 300,211.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,563.40 : 1,058,408.10 = 200,129.16 : x
  2. Step 2: Convert to fraction form
    705,563.40/1,058,408.10 = 200,129.16/x
  3. Step 3: Cross multiply
    705,563.40x = 1,058,408.10 × 200,129.16
  4. Step 4: Simplify right side
    705,563.40x = 211,818,323,990.20
  5. Step 5: Solve for x
    x = 211,818,323,990.20/705,563.40
  6. Step 6: Final answer
    x = 300,211.61

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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.