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Finding the Fourth Proportional to 574,244.24, 792,443.57 and 319,589.96

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Solution

The fourth proportional to 574,244.24, 792,443.57 and 319,589.96 is: 441,026.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,244.24 : 792,443.57 = 319,589.96 : x
  2. Step 2: Convert to fraction form
    574,244.24/792,443.57 = 319,589.96/x
  3. Step 3: Cross multiply
    574,244.24x = 792,443.57 × 319,589.96
  4. Step 4: Simplify right side
    574,244.24x = 253,257,011,618.64
  5. Step 5: Solve for x
    x = 253,257,011,618.64/574,244.24
  6. Step 6: Final answer
    x = 441,026.64

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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.