Home / 578,840.20-867,626.70-204,670.60

Finding the Fourth Proportional to 578,840.20, 867,626.70 and 204,670.60

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Solution

The fourth proportional to 578,840.20, 867,626.70 and 204,670.60 is: 306,781.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,840.20 : 867,626.70 = 204,670.60 : x
  2. Step 2: Convert to fraction form
    578,840.20/867,626.70 = 204,670.60/x
  3. Step 3: Cross multiply
    578,840.20x = 867,626.70 × 204,670.60
  4. Step 4: Simplify right side
    578,840.20x = 177,577,677,265.02
  5. Step 5: Solve for x
    x = 177,577,677,265.02/578,840.20
  6. Step 6: Final answer
    x = 306,781.87

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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.