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Finding the Fourth Proportional to 607,079.70, 909,890.55 and 251,910.90

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Solution

The fourth proportional to 607,079.70, 909,890.55 and 251,910.90 is: 377,563.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,079.70 : 909,890.55 = 251,910.90 : x
  2. Step 2: Convert to fraction form
    607,079.70/909,890.55 = 251,910.90/x
  3. Step 3: Cross multiply
    607,079.70x = 909,890.55 × 251,910.90
  4. Step 4: Simplify right side
    607,079.70x = 229,211,347,352.00
  5. Step 5: Solve for x
    x = 229,211,347,352.00/607,079.70
  6. Step 6: Final answer
    x = 377,563.85

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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.