Home / 609,004.51-913,091.57-308,906.42

Finding the Fourth Proportional to 609,004.51, 913,091.57 and 308,906.42

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Solution

The fourth proportional to 609,004.51, 913,091.57 and 308,906.42 is: 463,149.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,004.51 : 913,091.57 = 308,906.42 : x
  2. Step 2: Convert to fraction form
    609,004.51/913,091.57 = 308,906.42/x
  3. Step 3: Cross multiply
    609,004.51x = 913,091.57 × 308,906.42
  4. Step 4: Simplify right side
    609,004.51x = 282,059,844,193.62
  5. Step 5: Solve for x
    x = 282,059,844,193.62/609,004.51
  6. Step 6: Final answer
    x = 463,149.02

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1.5x scale

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.