Finding the Fourth Proportional to 989,817.08, 1,365,951.32 and 537,108.08
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Solution
The fourth proportional to 989,817.08, 1,365,951.32 and 537,108.08 is: 741,211.19
Step by Step Solution
- Step 1: Write the proportion equation
989,817.08 : 1,365,951.32 = 537,108.08 : x - Step 2: Convert to fraction form
989,817.08/1,365,951.32 = 537,108.08/x - Step 3: Cross multiply
989,817.08x = 1,365,951.32 × 537,108.08 - Step 4: Simplify right side
989,817.08x = 733,663,490,858.67 - Step 5: Solve for x
x = 733,663,490,858.67/989,817.08 - Step 6: Final answer
x = 741,211.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.