Finding the Fourth Proportional to 674,142.48, 930,278.52 and 402,517.08
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Solution
The fourth proportional to 674,142.48, 930,278.52 and 402,517.08 is: 555,450.82
Step by Step Solution
- Step 1: Write the proportion equation
674,142.48 : 930,278.52 = 402,517.08 : x - Step 2: Convert to fraction form
674,142.48/930,278.52 = 402,517.08/x - Step 3: Cross multiply
674,142.48x = 930,278.52 × 402,517.08 - Step 4: Simplify right side
674,142.48x = 374,452,993,457.12 - Step 5: Solve for x
x = 374,452,993,457.12/674,142.48 - Step 6: Final answer
x = 555,450.82
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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.