Home / 1,078,344.62-1,617,458.61-330,392.78

Finding the Fourth Proportional to 1,078,344.62, 1,617,458.61 and 330,392.78

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Solution

The fourth proportional to 1,078,344.62, 1,617,458.61 and 330,392.78 is: 495,571.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,344.62 : 1,617,458.61 = 330,392.78 : x
  2. Step 2: Convert to fraction form
    1,078,344.62/1,617,458.61 = 330,392.78/x
  3. Step 3: Cross multiply
    1,078,344.62x = 1,617,458.61 × 330,392.78
  4. Step 4: Simplify right side
    1,078,344.62x = 534,396,646,692.84
  5. Step 5: Solve for x
    x = 534,396,646,692.84/1,078,344.62
  6. Step 6: Final answer
    x = 495,571.30

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1.5x scale

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.