Finding the Fourth Proportional to 720,586.35, 994,307.57 and 410,497.09
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Solution
The fourth proportional to 720,586.35, 994,307.57 and 410,497.09 is: 566,428.11
Step by Step Solution
- Step 1: Write the proportion equation
720,586.35 : 994,307.57 = 410,497.09 : x - Step 2: Convert to fraction form
720,586.35/994,307.57 = 410,497.09/x - Step 3: Cross multiply
720,586.35x = 994,307.57 × 410,497.09 - Step 4: Simplify right side
720,586.35x = 408,160,361,051.08 - Step 5: Solve for x
x = 408,160,361,051.08/720,586.35 - Step 6: Final answer
x = 566,428.11
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1.5x scale
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.