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Finding the Fourth Proportional to 557,996.01, 770,001.80 and 303,344.97

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Solution

The fourth proportional to 557,996.01, 770,001.80 and 303,344.97 is: 418,598.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,996.01 : 770,001.80 = 303,344.97 : x
  2. Step 2: Convert to fraction form
    557,996.01/770,001.80 = 303,344.97/x
  3. Step 3: Cross multiply
    557,996.01x = 770,001.80 × 303,344.97
  4. Step 4: Simplify right side
    557,996.01x = 233,576,171,404.22
  5. Step 5: Solve for x
    x = 233,576,171,404.22/557,996.01
  6. Step 6: Final answer
    x = 418,598.28

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1.5x scale

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.