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Finding the Fourth Proportional to 606,937.60, 848,138 and 606,937.60

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Solution

The fourth proportional to 606,937.60, 848,138 and 606,937.60 is: 848,138

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,937.60 : 848,138 = 606,937.60 : x
  2. Step 2: Convert to fraction form
    606,937.60/848,138 = 606,937.60/x
  3. Step 3: Cross multiply
    606,937.60x = 848,138 × 606,937.60
  4. Step 4: Simplify right side
    606,937.60x = 514,766,842,188.80
  5. Step 5: Solve for x
    x = 514,766,842,188.80/606,937.60
  6. Step 6: Final answer
    x = 848,138

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1.5x scale

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.