Home / 840,863.06-1,260,544.46-308,259.72

Finding the Fourth Proportional to 840,863.06, 1,260,544.46 and 308,259.72

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Solution

The fourth proportional to 840,863.06, 1,260,544.46 and 308,259.72 is: 462,114.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,863.06 : 1,260,544.46 = 308,259.72 : x
  2. Step 2: Convert to fraction form
    840,863.06/1,260,544.46 = 308,259.72/x
  3. Step 3: Cross multiply
    840,863.06x = 1,260,544.46 × 308,259.72
  4. Step 4: Simplify right side
    840,863.06x = 388,575,082,287.15
  5. Step 5: Solve for x
    x = 388,575,082,287.15/840,863.06
  6. Step 6: Final answer
    x = 462,114.58

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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.