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Finding the Fourth Proportional to 594,754.56, 820,739.20 and 322,816.60

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Solution

The fourth proportional to 594,754.56, 820,739.20 and 322,816.60 is: 445,474.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,754.56 : 820,739.20 = 322,816.60 : x
  2. Step 2: Convert to fraction form
    594,754.56/820,739.20 = 322,816.60/x
  3. Step 3: Cross multiply
    594,754.56x = 820,739.20 × 322,816.60
  4. Step 4: Simplify right side
    594,754.56x = 264,948,238,030.72
  5. Step 5: Solve for x
    x = 264,948,238,030.72/594,754.56
  6. Step 6: Final answer
    x = 445,474.92

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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.