Home / 820,160.24-1,131,817.66-457,584.39

Finding the Fourth Proportional to 820,160.24, 1,131,817.66 and 457,584.39

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Solution

The fourth proportional to 820,160.24, 1,131,817.66 and 457,584.39 is: 631,464.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,160.24 : 1,131,817.66 = 457,584.39 : x
  2. Step 2: Convert to fraction form
    820,160.24/1,131,817.66 = 457,584.39/x
  3. Step 3: Cross multiply
    820,160.24x = 1,131,817.66 × 457,584.39
  4. Step 4: Simplify right side
    820,160.24x = 517,902,092,398.37
  5. Step 5: Solve for x
    x = 517,902,092,398.37/820,160.24
  6. Step 6: Final answer
    x = 631,464.52

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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.