Home / 787,251.40-1,180,992.30-413,302.60

Finding the Fourth Proportional to 787,251.40, 1,180,992.30 and 413,302.60

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Solution

The fourth proportional to 787,251.40, 1,180,992.30 and 413,302.60 is: 620,014.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,251.40 : 1,180,992.30 = 413,302.60 : x
  2. Step 2: Convert to fraction form
    787,251.40/1,180,992.30 = 413,302.60/x
  3. Step 3: Cross multiply
    787,251.40x = 1,180,992.30 × 413,302.60
  4. Step 4: Simplify right side
    787,251.40x = 488,107,188,169.98
  5. Step 5: Solve for x
    x = 488,107,188,169.98/787,251.40
  6. Step 6: Final answer
    x = 620,014.38

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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.