Home / 578,830.20-867,611.70-204,660.60

Finding the Fourth Proportional to 578,830.20, 867,611.70 and 204,660.60

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Solution

The fourth proportional to 578,830.20, 867,611.70 and 204,660.60 is: 306,766.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,830.20 : 867,611.70 = 204,660.60 : x
  2. Step 2: Convert to fraction form
    578,830.20/867,611.70 = 204,660.60/x
  3. Step 3: Cross multiply
    578,830.20x = 867,611.70 × 204,660.60
  4. Step 4: Simplify right side
    578,830.20x = 177,565,931,089.02
  5. Step 5: Solve for x
    x = 177,565,931,089.02/578,830.20
  6. Step 6: Final answer
    x = 306,766.87

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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.