Finding the Fourth Proportional to 675,665.99, 932,419.16 and 369,742.44
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Solution
The fourth proportional to 675,665.99, 932,419.16 and 369,742.44 is: 510,244.62
Step by Step Solution
- Step 1: Write the proportion equation
675,665.99 : 932,419.16 = 369,742.44 : x - Step 2: Convert to fraction form
675,665.99/932,419.16 = 369,742.44/x - Step 3: Cross multiply
675,665.99x = 932,419.16 × 369,742.44 - Step 4: Simplify right side
675,665.99x = 344,754,935,321.15 - Step 5: Solve for x
x = 344,754,935,321.15/675,665.99 - Step 6: Final answer
x = 510,244.62
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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.