Finding the Fourth Proportional to 698,625.73, 964,205.62 and 392,727.31
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Solution
The fourth proportional to 698,625.73, 964,205.62 and 392,727.31 is: 542,021.08
Step by Step Solution
- Step 1: Write the proportion equation
698,625.73 : 964,205.62 = 392,727.31 : x - Step 2: Convert to fraction form
698,625.73/964,205.62 = 392,727.31/x - Step 3: Cross multiply
698,625.73x = 964,205.62 × 392,727.31 - Step 4: Simplify right side
698,625.73x = 378,669,876,037.15 - Step 5: Solve for x
x = 378,669,876,037.15/698,625.73 - Step 6: Final answer
x = 542,021.08
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.