Finding the Fourth Proportional to 675,478.68, 932,007.97 and 403,493.34
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Solution
The fourth proportional to 675,478.68, 932,007.97 and 403,493.34 is: 556,729.65
Step by Step Solution
- Step 1: Write the proportion equation
675,478.68 : 932,007.97 = 403,493.34 : x - Step 2: Convert to fraction form
675,478.68/932,007.97 = 403,493.34/x - Step 3: Cross multiply
675,478.68x = 932,007.97 × 403,493.34 - Step 4: Simplify right side
675,478.68x = 376,059,007,713.19 - Step 5: Solve for x
x = 376,059,007,713.19/675,478.68 - Step 6: Final answer
x = 556,729.65
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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.