Finding the Fourth Proportional to 989,819.75, 1,365,954.90 and 537,110.75
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Solution
The fourth proportional to 989,819.75, 1,365,954.90 and 537,110.75 is: 741,214.81
Step by Step Solution
- Step 1: Write the proportion equation
989,819.75 : 1,365,954.90 = 537,110.75 : x - Step 2: Convert to fraction form
989,819.75/1,365,954.90 = 537,110.75/x - Step 3: Cross multiply
989,819.75x = 1,365,954.90 × 537,110.75 - Step 4: Simplify right side
989,819.75x = 733,669,060,805.18 - Step 5: Solve for x
x = 733,669,060,805.18/989,819.75 - Step 6: Final answer
x = 741,214.81
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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.