Finding the Fourth Proportional to 809,722.20, 1,214,612.10 and 248,755.80
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Solution
The fourth proportional to 809,722.20, 1,214,612.10 and 248,755.80 is: 373,142.55
Step by Step Solution
- Step 1: Write the proportion equation
809,722.20 : 1,214,612.10 = 248,755.80 : x - Step 2: Convert to fraction form
809,722.20/1,214,612.10 = 248,755.80/x - Step 3: Cross multiply
809,722.20x = 1,214,612.10 × 248,755.80 - Step 4: Simplify right side
809,722.20x = 302,141,804,625.18 - Step 5: Solve for x
x = 302,141,804,625.18/809,722.20 - Step 6: Final answer
x = 373,142.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.