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Finding the Fourth Proportional to 557,992.26, 769,996.62 and 303,341.22

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Solution

The fourth proportional to 557,992.26, 769,996.62 and 303,341.22 is: 418,593.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,992.26 : 769,996.62 = 303,341.22 : x
  2. Step 2: Convert to fraction form
    557,992.26/769,996.62 = 303,341.22/x
  3. Step 3: Cross multiply
    557,992.26x = 769,996.62 × 303,341.22
  4. Step 4: Simplify right side
    557,992.26x = 233,571,714,106.68
  5. Step 5: Solve for x
    x = 233,571,714,106.68/557,992.26
  6. Step 6: Final answer
    x = 418,593.11

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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.