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Finding the Fourth Proportional to 607,701.52, 911,376.60 and 233,635.60

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Solution

The fourth proportional to 607,701.52, 911,376.60 and 233,635.60 is: 350,385.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,701.52 : 911,376.60 = 233,635.60 : x
  2. Step 2: Convert to fraction form
    607,701.52/911,376.60 = 233,635.60/x
  3. Step 3: Cross multiply
    607,701.52x = 911,376.60 × 233,635.60
  4. Step 4: Simplify right side
    607,701.52x = 212,930,018,766.96
  5. Step 5: Solve for x
    x = 212,930,018,766.96/607,701.52
  6. Step 6: Final answer
    x = 350,385.86

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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.