Home / 941,719.20-1,412,578.80-380,464.80

Finding the Fourth Proportional to 941,719.20, 1,412,578.80 and 380,464.80

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Solution

The fourth proportional to 941,719.20, 1,412,578.80 and 380,464.80 is: 570,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,719.20 : 1,412,578.80 = 380,464.80 : x
  2. Step 2: Convert to fraction form
    941,719.20/1,412,578.80 = 380,464.80/x
  3. Step 3: Cross multiply
    941,719.20x = 1,412,578.80 × 380,464.80
  4. Step 4: Simplify right side
    941,719.20x = 537,436,510,626.24
  5. Step 5: Solve for x
    x = 537,436,510,626.24/941,719.20
  6. Step 6: Final answer
    x = 570,697.20

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Double scale
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Similar ratio
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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.