Finding the Fourth Proportional to 874,458.42, 1,207,309.80 and 713,696.94
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Solution
The fourth proportional to 874,458.42, 1,207,309.80 and 713,696.94 is: 985,356.52
Step by Step Solution
- Step 1: Write the proportion equation
874,458.42 : 1,207,309.80 = 713,696.94 : x - Step 2: Convert to fraction form
874,458.42/1,207,309.80 = 713,696.94/x - Step 3: Cross multiply
874,458.42x = 1,207,309.80 × 713,696.94 - Step 4: Simplify right side
874,458.42x = 861,653,309,892.01 - Step 5: Solve for x
x = 861,653,309,892.01/874,458.42 - Step 6: Final answer
x = 985,356.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.