Finding the Fourth Proportional to 743,696, 1,119,590.48 and 677,561.12
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Solution
The fourth proportional to 743,696, 1,119,590.48 and 677,561.12 is: 1,020,028.32
Step by Step Solution
- Step 1: Write the proportion equation
743,696 : 1,119,590.48 = 677,561.12 : x - Step 2: Convert to fraction form
743,696/1,119,590.48 = 677,561.12/x - Step 3: Cross multiply
743,696x = 1,119,590.48 × 677,561.12 - Step 4: Simplify right side
743,696x = 758,590,979,570.14 - Step 5: Solve for x
x = 758,590,979,570.14/743,696 - Step 6: Final answer
x = 1,020,028.32
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.