Home / 607,512.20-911,049.60-307,893.20

Finding the Fourth Proportional to 607,512.20, 911,049.60 and 307,893.20

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Solution

The fourth proportional to 607,512.20, 911,049.60 and 307,893.20 is: 461,728.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,512.20 : 911,049.60 = 307,893.20 : x
  2. Step 2: Convert to fraction form
    607,512.20/911,049.60 = 307,893.20/x
  3. Step 3: Cross multiply
    607,512.20x = 911,049.60 × 307,893.20
  4. Step 4: Simplify right side
    607,512.20x = 280,505,976,702.72
  5. Step 5: Solve for x
    x = 280,505,976,702.72/607,512.20
  6. Step 6: Final answer
    x = 461,728.96

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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.