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Finding the Fourth Proportional to 606,990.60, 848,212.20 and 606,990.60

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Solution

The fourth proportional to 606,990.60, 848,212.20 and 606,990.60 is: 848,212.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,990.60 : 848,212.20 = 606,990.60 : x
  2. Step 2: Convert to fraction form
    606,990.60/848,212.20 = 606,990.60/x
  3. Step 3: Cross multiply
    606,990.60x = 848,212.20 × 606,990.60
  4. Step 4: Simplify right side
    606,990.60x = 514,856,832,205.32
  5. Step 5: Solve for x
    x = 514,856,832,205.32/606,990.60
  6. Step 6: Final answer
    x = 848,212.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.