Finding the Fourth Proportional to 989,838.84, 1,365,981.12 and 537,129.84
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Solution
The fourth proportional to 989,838.84, 1,365,981.12 and 537,129.84 is: 741,241.09
Step by Step Solution
- Step 1: Write the proportion equation
989,838.84 : 1,365,981.12 = 537,129.84 : x - Step 2: Convert to fraction form
989,838.84/1,365,981.12 = 537,129.84/x - Step 3: Cross multiply
989,838.84x = 1,365,981.12 × 537,129.84 - Step 4: Simplify right side
989,838.84x = 733,709,220,428.62 - Step 5: Solve for x
x = 733,709,220,428.62/989,838.84 - Step 6: Final answer
x = 741,241.09
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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.