Home / 840,185.04-1,259,868.24-279,030

Finding the Fourth Proportional to 840,185.04, 1,259,868.24 and 279,030

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Solution

The fourth proportional to 840,185.04, 1,259,868.24 and 279,030 is: 418,409.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,185.04 : 1,259,868.24 = 279,030 : x
  2. Step 2: Convert to fraction form
    840,185.04/1,259,868.24 = 279,030/x
  3. Step 3: Cross multiply
    840,185.04x = 1,259,868.24 × 279,030
  4. Step 4: Simplify right side
    840,185.04x = 351,541,035,007.20
  5. Step 5: Solve for x
    x = 351,541,035,007.20/840,185.04
  6. Step 6: Final answer
    x = 418,409.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.