Home / 699,389.70-1,049,084.47-462,676.98

Finding the Fourth Proportional to 699,389.70, 1,049,084.47 and 462,676.98

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Solution

The fourth proportional to 699,389.70, 1,049,084.47 and 462,676.98 is: 694,015.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,389.70 : 1,049,084.47 = 462,676.98 : x
  2. Step 2: Convert to fraction form
    699,389.70/1,049,084.47 = 462,676.98/x
  3. Step 3: Cross multiply
    699,389.70x = 1,049,084.47 × 462,676.98
  4. Step 4: Simplify right side
    699,389.70x = 485,387,234,344.50
  5. Step 5: Solve for x
    x = 485,387,234,344.50/699,389.70
  6. Step 6: Final answer
    x = 694,015.42

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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.