Home / 789,861.98-1,090,006.23-427,284.94

Finding the Fourth Proportional to 789,861.98, 1,090,006.23 and 427,284.94

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Solution

The fourth proportional to 789,861.98, 1,090,006.23 and 427,284.94 is: 589,651.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,861.98 : 1,090,006.23 = 427,284.94 : x
  2. Step 2: Convert to fraction form
    789,861.98/1,090,006.23 = 427,284.94/x
  3. Step 3: Cross multiply
    789,861.98x = 1,090,006.23 × 427,284.94
  4. Step 4: Simplify right side
    789,861.98x = 465,743,247,506.24
  5. Step 5: Solve for x
    x = 465,743,247,506.24/789,861.98
  6. Step 6: Final answer
    x = 589,651.43

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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.