Finding the Fourth Proportional to 808,119.93, 1,212,185.97 and 358,719.99
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Solution
The fourth proportional to 808,119.93, 1,212,185.97 and 358,719.99 is: 538,082.68
Step by Step Solution
- Step 1: Write the proportion equation
808,119.93 : 1,212,185.97 = 358,719.99 : x - Step 2: Convert to fraction form
808,119.93/1,212,185.97 = 358,719.99/x - Step 3: Cross multiply
808,119.93x = 1,212,185.97 × 358,719.99 - Step 4: Simplify right side
808,119.93x = 434,835,339,036.54 - Step 5: Solve for x
x = 434,835,339,036.54/808,119.93 - Step 6: Final answer
x = 538,082.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.