Home / 421,802.04-582,086.79-230,815.44

Finding the Fourth Proportional to 421,802.04, 582,086.79 and 230,815.44

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Solution

The fourth proportional to 421,802.04, 582,086.79 and 230,815.44 is: 318,525.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,802.04 : 582,086.79 = 230,815.44 : x
  2. Step 2: Convert to fraction form
    421,802.04/582,086.79 = 230,815.44/x
  3. Step 3: Cross multiply
    421,802.04x = 582,086.79 × 230,815.44
  4. Step 4: Simplify right side
    421,802.04x = 134,354,618,552.04
  5. Step 5: Solve for x
    x = 134,354,618,552.04/421,802.04
  6. Step 6: Final answer
    x = 318,525.29

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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.