Finding the Fourth Proportional to 829,578.49, 1,144,826.18 and 466,931.97
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Solution
The fourth proportional to 829,578.49, 1,144,826.18 and 466,931.97 is: 644,370.54
Step by Step Solution
- Step 1: Write the proportion equation
829,578.49 : 1,144,826.18 = 466,931.97 : x - Step 2: Convert to fraction form
829,578.49/1,144,826.18 = 466,931.97/x - Step 3: Cross multiply
829,578.49x = 1,144,826.18 × 466,931.97 - Step 4: Simplify right side
829,578.49x = 534,555,943,534.98 - Step 5: Solve for x
x = 534,555,943,534.98/829,578.49 - Step 6: Final answer
x = 644,370.54
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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.