Home / 605,830.56-836,035.33-330,190.90

Finding the Fourth Proportional to 605,830.56, 836,035.33 and 330,190.90

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Solution

The fourth proportional to 605,830.56, 836,035.33 and 330,190.90 is: 455,657.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,830.56 : 836,035.33 = 330,190.90 : x
  2. Step 2: Convert to fraction form
    605,830.56/836,035.33 = 330,190.90/x
  3. Step 3: Cross multiply
    605,830.56x = 836,035.33 × 330,190.90
  4. Step 4: Simplify right side
    605,830.56x = 276,051,255,128.93
  5. Step 5: Solve for x
    x = 276,051,255,128.93/605,830.56
  6. Step 6: Final answer
    x = 455,657.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.