Finding the Fourth Proportional to 614,324.10, 921,486.15 and 559,211.70
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Solution
The fourth proportional to 614,324.10, 921,486.15 and 559,211.70 is: 838,817.55
Step by Step Solution
- Step 1: Write the proportion equation
614,324.10 : 921,486.15 = 559,211.70 : x - Step 2: Convert to fraction form
614,324.10/921,486.15 = 559,211.70/x - Step 3: Cross multiply
614,324.10x = 921,486.15 × 559,211.70 - Step 4: Simplify right side
614,324.10x = 515,305,836,467.96 - Step 5: Solve for x
x = 515,305,836,467.96/614,324.10 - Step 6: Final answer
x = 838,817.55
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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.