Home / 820,719.80-1,132,393.82-481,122.44

Finding the Fourth Proportional to 820,719.80, 1,132,393.82 and 481,122.44

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Solution

The fourth proportional to 820,719.80, 1,132,393.82 and 481,122.44 is: 663,832.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,719.80 : 1,132,393.82 = 481,122.44 : x
  2. Step 2: Convert to fraction form
    820,719.80/1,132,393.82 = 481,122.44/x
  3. Step 3: Cross multiply
    820,719.80x = 1,132,393.82 × 481,122.44
  4. Step 4: Simplify right side
    820,719.80x = 544,820,077,719.32
  5. Step 5: Solve for x
    x = 544,820,077,719.32/820,719.80
  6. Step 6: Final answer
    x = 663,832.01

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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.