Finding the Fourth Proportional to 611,579.54, 843,991.08 and 339,672.62
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Solution
The fourth proportional to 611,579.54, 843,991.08 and 339,672.62 is: 468,754.50
Step by Step Solution
- Step 1: Write the proportion equation
611,579.54 : 843,991.08 = 339,672.62 : x - Step 2: Convert to fraction form
611,579.54/843,991.08 = 339,672.62/x - Step 3: Cross multiply
611,579.54x = 843,991.08 × 339,672.62 - Step 4: Simplify right side
611,579.54x = 286,680,661,400.23 - Step 5: Solve for x
x = 286,680,661,400.23/611,579.54 - Step 6: Final answer
x = 468,754.50
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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.