Home / 820,068.48-1,131,693.44-462,372.48

Finding the Fourth Proportional to 820,068.48, 1,131,693.44 and 462,372.48

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Solution

The fourth proportional to 820,068.48, 1,131,693.44 and 462,372.48 is: 638,073.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,068.48 : 1,131,693.44 = 462,372.48 : x
  2. Step 2: Convert to fraction form
    820,068.48/1,131,693.44 = 462,372.48/x
  3. Step 3: Cross multiply
    820,068.48x = 1,131,693.44 × 462,372.48
  4. Step 4: Simplify right side
    820,068.48x = 523,263,902,452.53
  5. Step 5: Solve for x
    x = 523,263,902,452.53/820,068.48
  6. Step 6: Final answer
    x = 638,073.42

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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.