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Finding the Fourth Proportional to 590,824.48, 815,333.52 and 322,552.48

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Solution

The fourth proportional to 590,824.48, 815,333.52 and 322,552.48 is: 445,120.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,824.48 : 815,333.52 = 322,552.48 : x
  2. Step 2: Convert to fraction form
    590,824.48/815,333.52 = 322,552.48/x
  3. Step 3: Cross multiply
    590,824.48x = 815,333.52 × 322,552.48
  4. Step 4: Simplify right side
    590,824.48x = 262,987,848,903.13
  5. Step 5: Solve for x
    x = 262,987,848,903.13/590,824.48
  6. Step 6: Final answer
    x = 445,120.10

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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.