Home / 609,003.51-913,090.07-308,905.42

Finding the Fourth Proportional to 609,003.51, 913,090.07 and 308,905.42

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Solution

The fourth proportional to 609,003.51, 913,090.07 and 308,905.42 is: 463,147.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,003.51 : 913,090.07 = 308,905.42 : x
  2. Step 2: Convert to fraction form
    609,003.51/913,090.07 = 308,905.42/x
  3. Step 3: Cross multiply
    609,003.51x = 913,090.07 × 308,905.42
  4. Step 4: Simplify right side
    609,003.51x = 282,058,467,743.93
  5. Step 5: Solve for x
    x = 282,058,467,743.93/609,003.51
  6. Step 6: Final answer
    x = 463,147.52

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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.