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Finding the Fourth Proportional to 590,438.03, 814,781.03 and 348,798.29

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Solution

The fourth proportional to 590,438.03, 814,781.03 and 348,798.29 is: 481,327.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,438.03 : 814,781.03 = 348,798.29 : x
  2. Step 2: Convert to fraction form
    590,438.03/814,781.03 = 348,798.29/x
  3. Step 3: Cross multiply
    590,438.03x = 814,781.03 × 348,798.29
  4. Step 4: Simplify right side
    590,438.03x = 284,194,224,170.54
  5. Step 5: Solve for x
    x = 284,194,224,170.54/590,438.03
  6. Step 6: Final answer
    x = 481,327.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.