Finding the Fourth Proportional to 989,162.62, 1,365,302.19 and 626,762.14
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Solution
The fourth proportional to 989,162.62, 1,365,302.19 and 626,762.14 is: 865,095.09
Step by Step Solution
- Step 1: Write the proportion equation
989,162.62 : 1,365,302.19 = 626,762.14 : x - Step 2: Convert to fraction form
989,162.62/1,365,302.19 = 626,762.14/x - Step 3: Cross multiply
989,162.62x = 1,365,302.19 × 626,762.14 - Step 4: Simplify right side
989,162.62x = 855,719,722,351.09 - Step 5: Solve for x
x = 855,719,722,351.09/989,162.62 - Step 6: Final answer
x = 865,095.09
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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.