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Finding the Fourth Proportional to 568,837.27, 784,990.14 and 310,714.15

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Solution

The fourth proportional to 568,837.27, 784,990.14 and 310,714.15 is: 428,782.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,837.27 : 784,990.14 = 310,714.15 : x
  2. Step 2: Convert to fraction form
    568,837.27/784,990.14 = 310,714.15/x
  3. Step 3: Cross multiply
    568,837.27x = 784,990.14 × 310,714.15
  4. Step 4: Simplify right side
    568,837.27x = 243,907,544,108.48
  5. Step 5: Solve for x
    x = 243,907,544,108.48/568,837.27
  6. Step 6: Final answer
    x = 428,782.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.