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Finding the Fourth Proportional to 594,805.60, 820,846.20 and 322,884.64

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Solution

The fourth proportional to 594,805.60, 820,846.20 and 322,884.64 is: 445,588.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,805.60 : 820,846.20 = 322,884.64 : x
  2. Step 2: Convert to fraction form
    594,805.60/820,846.20 = 322,884.64/x
  3. Step 3: Cross multiply
    594,805.60x = 820,846.20 × 322,884.64
  4. Step 4: Simplify right side
    594,805.60x = 265,038,629,782.37
  5. Step 5: Solve for x
    x = 265,038,629,782.37/594,805.60
  6. Step 6: Final answer
    x = 445,588.66

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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.