Home / 855,847.20-1,284,692.40-482,599.20

Finding the Fourth Proportional to 855,847.20, 1,284,692.40 and 482,599.20

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Solution

The fourth proportional to 855,847.20, 1,284,692.40 and 482,599.20 is: 724,418.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,847.20 : 1,284,692.40 = 482,599.20 : x
  2. Step 2: Convert to fraction form
    855,847.20/1,284,692.40 = 482,599.20/x
  3. Step 3: Cross multiply
    855,847.20x = 1,284,692.40 × 482,599.20
  4. Step 4: Simplify right side
    855,847.20x = 619,991,524,486.08
  5. Step 5: Solve for x
    x = 619,991,524,486.08/855,847.20
  6. Step 6: Final answer
    x = 724,418.48

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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.