Home / 598,000.20-897,000.30-198,702.60

Finding the Fourth Proportional to 598,000.20, 897,000.30 and 198,702.60

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Solution

The fourth proportional to 598,000.20, 897,000.30 and 198,702.60 is: 298,053.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,000.20 : 897,000.30 = 198,702.60 : x
  2. Step 2: Convert to fraction form
    598,000.20/897,000.30 = 198,702.60/x
  3. Step 3: Cross multiply
    598,000.20x = 897,000.30 × 198,702.60
  4. Step 4: Simplify right side
    598,000.20x = 178,236,291,810.78
  5. Step 5: Solve for x
    x = 178,236,291,810.78/598,000.20
  6. Step 6: Final answer
    x = 298,053.90

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Similar ratio
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1.5x scale

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.