Home / 829,024.80-1,244,458.80-513,837.60

Finding the Fourth Proportional to 829,024.80, 1,244,458.80 and 513,837.60

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Solution

The fourth proportional to 829,024.80, 1,244,458.80 and 513,837.60 is: 771,327.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,024.80 : 1,244,458.80 = 513,837.60 : x
  2. Step 2: Convert to fraction form
    829,024.80/1,244,458.80 = 513,837.60/x
  3. Step 3: Cross multiply
    829,024.80x = 1,244,458.80 × 513,837.60
  4. Step 4: Simplify right side
    829,024.80x = 639,449,723,090.88
  5. Step 5: Solve for x
    x = 639,449,723,090.88/829,024.80
  6. Step 6: Final answer
    x = 771,327.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.