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Finding the Fourth Proportional to 594,788.72, 820,780.44 and 322,850.48

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Solution

The fourth proportional to 594,788.72, 820,780.44 and 322,850.48 is: 445,518.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,788.72 : 820,780.44 = 322,850.48 : x
  2. Step 2: Convert to fraction form
    594,788.72/820,780.44 = 322,850.48/x
  3. Step 3: Cross multiply
    594,788.72x = 820,780.44 × 322,850.48
  4. Step 4: Simplify right side
    594,788.72x = 264,989,359,028.61
  5. Step 5: Solve for x
    x = 264,989,359,028.61/594,788.72
  6. Step 6: Final answer
    x = 445,518.47

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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.