Home / 823,086.64-1,234,677.48-317,650.24

Finding the Fourth Proportional to 823,086.64, 1,234,677.48 and 317,650.24

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Solution

The fourth proportional to 823,086.64, 1,234,677.48 and 317,650.24 is: 476,493.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,086.64 : 1,234,677.48 = 317,650.24 : x
  2. Step 2: Convert to fraction form
    823,086.64/1,234,677.48 = 317,650.24/x
  3. Step 3: Cross multiply
    823,086.64x = 1,234,677.48 × 317,650.24
  4. Step 4: Simplify right side
    823,086.64x = 392,195,597,844.60
  5. Step 5: Solve for x
    x = 392,195,597,844.60/823,086.64
  6. Step 6: Final answer
    x = 476,493.70

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Double scale
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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.