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Finding the Fourth Proportional to 454,310.35, 679,989.30 and 454,310.35

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Solution

The fourth proportional to 454,310.35, 679,989.30 and 454,310.35 is: 679,989.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,310.35 : 679,989.30 = 454,310.35 : x
  2. Step 2: Convert to fraction form
    454,310.35/679,989.30 = 454,310.35/x
  3. Step 3: Cross multiply
    454,310.35x = 679,989.30 × 454,310.35
  4. Step 4: Simplify right side
    454,310.35x = 308,926,176,879.26
  5. Step 5: Solve for x
    x = 308,926,176,879.26/454,310.35
  6. Step 6: Final answer
    x = 679,989.30

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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.