Home / 836,184.30-1,254,276.45-303,722.70

Finding the Fourth Proportional to 836,184.30, 1,254,276.45 and 303,722.70

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Solution

The fourth proportional to 836,184.30, 1,254,276.45 and 303,722.70 is: 455,584.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,184.30 : 1,254,276.45 = 303,722.70 : x
  2. Step 2: Convert to fraction form
    836,184.30/1,254,276.45 = 303,722.70/x
  3. Step 3: Cross multiply
    836,184.30x = 1,254,276.45 × 303,722.70
  4. Step 4: Simplify right side
    836,184.30x = 380,952,229,940.42
  5. Step 5: Solve for x
    x = 380,952,229,940.42/836,184.30
  6. Step 6: Final answer
    x = 455,584.05

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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.