Home / 820,649.64-1,132,685.46-481,227.24

Finding the Fourth Proportional to 820,649.64, 1,132,685.46 and 481,227.24

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Solution

The fourth proportional to 820,649.64, 1,132,685.46 and 481,227.24 is: 664,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,649.64 : 1,132,685.46 = 481,227.24 : x
  2. Step 2: Convert to fraction form
    820,649.64/1,132,685.46 = 481,227.24/x
  3. Step 3: Cross multiply
    820,649.64x = 1,132,685.46 × 481,227.24
  4. Step 4: Simplify right side
    820,649.64x = 545,079,097,703.93
  5. Step 5: Solve for x
    x = 545,079,097,703.93/820,649.64
  6. Step 6: Final answer
    x = 664,204.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.