Finding the Fourth Proportional to 989,823.75, 1,365,960.42 and 537,114.75
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Solution
The fourth proportional to 989,823.75, 1,365,960.42 and 537,114.75 is: 741,220.33
Step by Step Solution
- Step 1: Write the proportion equation
989,823.75 : 1,365,960.42 = 537,114.75 : x - Step 2: Convert to fraction form
989,823.75/1,365,960.42 = 537,114.75/x - Step 3: Cross multiply
989,823.75x = 1,365,960.42 × 537,114.75 - Step 4: Simplify right side
989,823.75x = 733,677,489,498.20 - Step 5: Solve for x
x = 733,677,489,498.20/989,823.75 - Step 6: Final answer
x = 741,220.33
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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.