Finding the Fourth Proportional to 985,964.25, 1,479,109.79 and 346,101.97
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Solution
The fourth proportional to 985,964.25, 1,479,109.79 and 346,101.97 is: 519,210.31
Step by Step Solution
- Step 1: Write the proportion equation
985,964.25 : 1,479,109.79 = 346,101.97 : x - Step 2: Convert to fraction form
985,964.25/1,479,109.79 = 346,101.97/x - Step 3: Cross multiply
985,964.25x = 1,479,109.79 × 346,101.97 - Step 4: Simplify right side
985,964.25x = 511,922,805,634.99 - Step 5: Solve for x
x = 511,922,805,634.99/985,964.25 - Step 6: Final answer
x = 519,210.31
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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.