Finding the Fourth Proportional to 987,990.04, 1,362,673.98 and 850,403.14
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Solution
The fourth proportional to 987,990.04, 1,362,673.98 and 850,403.14 is: 1,172,908.82
Step by Step Solution
- Step 1: Write the proportion equation
987,990.04 : 1,362,673.98 = 850,403.14 : x - Step 2: Convert to fraction form
987,990.04/1,362,673.98 = 850,403.14/x - Step 3: Cross multiply
987,990.04x = 1,362,673.98 × 850,403.14 - Step 4: Simplify right side
987,990.04x = 1,158,822,231,388.30 - Step 5: Solve for x
x = 1,158,822,231,388.30/987,990.04 - Step 6: Final answer
x = 1,172,908.82
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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.