Home / 846,187.20-1,269,244.80-285,220.80

Finding the Fourth Proportional to 846,187.20, 1,269,244.80 and 285,220.80

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Solution

The fourth proportional to 846,187.20, 1,269,244.80 and 285,220.80 is: 427,819.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,187.20 : 1,269,244.80 = 285,220.80 : x
  2. Step 2: Convert to fraction form
    846,187.20/1,269,244.80 = 285,220.80/x
  3. Step 3: Cross multiply
    846,187.20x = 1,269,244.80 × 285,220.80
  4. Step 4: Simplify right side
    846,187.20x = 362,015,017,251.84
  5. Step 5: Solve for x
    x = 362,015,017,251.84/846,187.20
  6. Step 6: Final answer
    x = 427,819.07

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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.