Home / 941,784.20-1,412,676.30-380,529.80

Finding the Fourth Proportional to 941,784.20, 1,412,676.30 and 380,529.80

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Solution

The fourth proportional to 941,784.20, 1,412,676.30 and 380,529.80 is: 570,794.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,784.20 : 1,412,676.30 = 380,529.80 : x
  2. Step 2: Convert to fraction form
    941,784.20/1,412,676.30 = 380,529.80/x
  3. Step 3: Cross multiply
    941,784.20x = 1,412,676.30 × 380,529.80
  4. Step 4: Simplify right side
    941,784.20x = 537,565,429,903.74
  5. Step 5: Solve for x
    x = 537,565,429,903.74/941,784.20
  6. Step 6: Final answer
    x = 570,794.70

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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.