Home / 840,414.04-1,260,632.04-279,448.60

Finding the Fourth Proportional to 840,414.04, 1,260,632.04 and 279,448.60

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Solution

The fourth proportional to 840,414.04, 1,260,632.04 and 279,448.60 is: 419,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,414.04 : 1,260,632.04 = 279,448.60 : x
  2. Step 2: Convert to fraction form
    840,414.04/1,260,632.04 = 279,448.60/x
  3. Step 3: Cross multiply
    840,414.04x = 1,260,632.04 × 279,448.60
  4. Step 4: Simplify right side
    840,414.04x = 352,281,858,693.14
  5. Step 5: Solve for x
    x = 352,281,858,693.14/840,414.04
  6. Step 6: Final answer
    x = 419,176.55

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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.