Finding the Fourth Proportional to 674,944.19, 931,431.82 and 369,020.92
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Solution
The fourth proportional to 674,944.19, 931,431.82 and 369,020.92 is: 509,253.70
Step by Step Solution
- Step 1: Write the proportion equation
674,944.19 : 931,431.82 = 369,020.92 : x - Step 2: Convert to fraction form
674,944.19/931,431.82 = 369,020.92/x - Step 3: Cross multiply
674,944.19x = 931,431.82 × 369,020.92 - Step 4: Simplify right side
674,944.19x = 343,717,827,133.67 - Step 5: Solve for x
x = 343,717,827,133.67/674,944.19 - Step 6: Final answer
x = 509,253.70
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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.