Finding the Fourth Proportional to 843,309.53, 1,163,794.68 and 461,336.31
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Solution
The fourth proportional to 843,309.53, 1,163,794.68 and 461,336.31 is: 636,659.17
Step by Step Solution
- Step 1: Write the proportion equation
843,309.53 : 1,163,794.68 = 461,336.31 : x - Step 2: Convert to fraction form
843,309.53/1,163,794.68 = 461,336.31/x - Step 3: Cross multiply
843,309.53x = 1,163,794.68 × 461,336.31 - Step 4: Simplify right side
843,309.53x = 536,900,743,268.83 - Step 5: Solve for x
x = 536,900,743,268.83/843,309.53 - Step 6: Final answer
x = 636,659.17
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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.