Finding the Fourth Proportional to 807,858.60, 1,114,852.68 and 445,296.66
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Solution
The fourth proportional to 807,858.60, 1,114,852.68 and 445,296.66 is: 614,513.70
Step by Step Solution
- Step 1: Write the proportion equation
807,858.60 : 1,114,852.68 = 445,296.66 : x - Step 2: Convert to fraction form
807,858.60/1,114,852.68 = 445,296.66/x - Step 3: Cross multiply
807,858.60x = 1,114,852.68 × 445,296.66 - Step 4: Simplify right side
807,858.60x = 496,440,174,796.05 - Step 5: Solve for x
x = 496,440,174,796.05/807,858.60 - Step 6: Final answer
x = 614,513.70
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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.