Finding the Fourth Proportional to 888,950.19, 1,226,751.26 and 486,542.19
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Solution
The fourth proportional to 888,950.19, 1,226,751.26 and 486,542.19 is: 671,428.22
Step by Step Solution
- Step 1: Write the proportion equation
888,950.19 : 1,226,751.26 = 486,542.19 : x - Step 2: Convert to fraction form
888,950.19/1,226,751.26 = 486,542.19/x - Step 3: Cross multiply
888,950.19x = 1,226,751.26 × 486,542.19 - Step 4: Simplify right side
888,950.19x = 596,866,244,625.66 - Step 5: Solve for x
x = 596,866,244,625.66/888,950.19 - Step 6: Final answer
x = 671,428.22
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1.5x scale
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.