Finding the Fourth Proportional to 989,597.91, 1,365,499.92 and 553,992.62
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Solution
The fourth proportional to 989,597.91, 1,365,499.92 and 553,992.62 is: 764,428.53
Step by Step Solution
- Step 1: Write the proportion equation
989,597.91 : 1,365,499.92 = 553,992.62 : x - Step 2: Convert to fraction form
989,597.91/1,365,499.92 = 553,992.62/x - Step 3: Cross multiply
989,597.91x = 1,365,499.92 × 553,992.62 - Step 4: Simplify right side
989,597.91x = 756,476,873,540.56 - Step 5: Solve for x
x = 756,476,873,540.56/989,597.91 - Step 6: Final answer
x = 764,428.53
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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.