Finding the Fourth Proportional to 816,214.41, 1,224,448.37 and 416,638.98
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Solution
The fourth proportional to 816,214.41, 1,224,448.37 and 416,638.98 is: 625,023.17
Step by Step Solution
- Step 1: Write the proportion equation
816,214.41 : 1,224,448.37 = 416,638.98 : x - Step 2: Convert to fraction form
816,214.41/1,224,448.37 = 416,638.98/x - Step 3: Cross multiply
816,214.41x = 1,224,448.37 × 416,638.98 - Step 4: Simplify right side
816,214.41x = 510,152,914,858.82 - Step 5: Solve for x
x = 510,152,914,858.82/816,214.41 - Step 6: Final answer
x = 625,023.17
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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.