Finding the Fourth Proportional to 841,311.84, 1,260,690.84 and 616,821.72
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Solution
The fourth proportional to 841,311.84, 1,260,690.84 and 616,821.72 is: 924,296.38
Step by Step Solution
- Step 1: Write the proportion equation
841,311.84 : 1,260,690.84 = 616,821.72 : x - Step 2: Convert to fraction form
841,311.84/1,260,690.84 = 616,821.72/x - Step 3: Cross multiply
841,311.84x = 1,260,690.84 × 616,821.72 - Step 4: Simplify right side
841,311.84x = 777,621,492,317.05 - Step 5: Solve for x
x = 777,621,492,317.05/841,311.84 - Step 6: Final answer
x = 924,296.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.