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Finding the Fourth Proportional to 984,511.88, 1,477,016.90 and 274,540

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Solution

The fourth proportional to 984,511.88, 1,477,016.90 and 274,540 is: 411,879.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,511.88 : 1,477,016.90 = 274,540 : x
  2. Step 2: Convert to fraction form
    984,511.88/1,477,016.90 = 274,540/x
  3. Step 3: Cross multiply
    984,511.88x = 1,477,016.90 × 274,540
  4. Step 4: Simplify right side
    984,511.88x = 405,500,219,726
  5. Step 5: Solve for x
    x = 405,500,219,726/984,511.88
  6. Step 6: Final answer
    x = 411,879.46

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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.