Finding the Fourth Proportional to 847,511.36, 1,169,571.12 and 465,534.80
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Solution
The fourth proportional to 847,511.36, 1,169,571.12 and 465,534.80 is: 642,441.01
Step by Step Solution
- Step 1: Write the proportion equation
847,511.36 : 1,169,571.12 = 465,534.80 : x - Step 2: Convert to fraction form
847,511.36/1,169,571.12 = 465,534.80/x - Step 3: Cross multiply
847,511.36x = 1,169,571.12 × 465,534.80 - Step 4: Simplify right side
847,511.36x = 544,476,057,434.98 - Step 5: Solve for x
x = 544,476,057,434.98/847,511.36 - Step 6: Final answer
x = 642,441.01
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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.