Finding the Fourth Proportional to 554,343.97, 764,719.65 and 358,042.95
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Solution
The fourth proportional to 554,343.97, 764,719.65 and 358,042.95 is: 493,921.63
Step by Step Solution
- Step 1: Write the proportion equation
554,343.97 : 764,719.65 = 358,042.95 : x - Step 2: Convert to fraction form
554,343.97/764,719.65 = 358,042.95/x - Step 3: Cross multiply
554,343.97x = 764,719.65 × 358,042.95 - Step 4: Simplify right side
554,343.97x = 273,802,479,408.97 - Step 5: Solve for x
x = 273,802,479,408.97/554,343.97 - Step 6: Final answer
x = 493,921.63
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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.