Finding the Fourth Proportional to 989,817.75, 1,365,952.14 and 537,108.75
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Solution
The fourth proportional to 989,817.75, 1,365,952.14 and 537,108.75 is: 741,212.05
Step by Step Solution
- Step 1: Write the proportion equation
989,817.75 : 1,365,952.14 = 537,108.75 : x - Step 2: Convert to fraction form
989,817.75/1,365,952.14 = 537,108.75/x - Step 3: Cross multiply
989,817.75x = 1,365,952.14 × 537,108.75 - Step 4: Simplify right side
989,817.75x = 733,664,846,475.23 - Step 5: Solve for x
x = 733,664,846,475.23/989,817.75 - Step 6: Final answer
x = 741,212.05
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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.