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Finding the Fourth Proportional to 606,399.60, 907,849.80 and 606,399.60

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Solution

The fourth proportional to 606,399.60, 907,849.80 and 606,399.60 is: 907,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,399.60 : 907,849.80 = 606,399.60 : x
  2. Step 2: Convert to fraction form
    606,399.60/907,849.80 = 606,399.60/x
  3. Step 3: Cross multiply
    606,399.60x = 907,849.80 × 606,399.60
  4. Step 4: Simplify right side
    606,399.60x = 550,519,755,580.08
  5. Step 5: Solve for x
    x = 550,519,755,580.08/606,399.60
  6. Step 6: Final answer
    x = 907,849.80

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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.