Finding the Fourth Proportional to 927,664.25, 1,390,525.28 and 388,229.62
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Solution
The fourth proportional to 927,664.25, 1,390,525.28 and 388,229.62 is: 581,938.02
Step by Step Solution
- Step 1: Write the proportion equation
927,664.25 : 1,390,525.28 = 388,229.62 : x - Step 2: Convert to fraction form
927,664.25/1,390,525.28 = 388,229.62/x - Step 3: Cross multiply
927,664.25x = 1,390,525.28 × 388,229.62 - Step 4: Simplify right side
927,664.25x = 539,843,101,054.79 - Step 5: Solve for x
x = 539,843,101,054.79/927,664.25 - Step 6: Final answer
x = 581,938.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.