Finding the Fourth Proportional to 835,916.80, 1,253,232.24 and 414,866.08
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Solution
The fourth proportional to 835,916.80, 1,253,232.24 and 414,866.08 is: 621,980.02
Step by Step Solution
- Step 1: Write the proportion equation
835,916.80 : 1,253,232.24 = 414,866.08 : x - Step 2: Convert to fraction form
835,916.80/1,253,232.24 = 414,866.08/x - Step 3: Cross multiply
835,916.80x = 1,253,232.24 × 414,866.08 - Step 4: Simplify right side
835,916.80x = 519,923,546,738.42 - Step 5: Solve for x
x = 519,923,546,738.42/835,916.80 - Step 6: Final answer
x = 621,980.02
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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.