Finding the Fourth Proportional to 979,531.01, 1,351,678.61 and 549,728.13
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Solution
The fourth proportional to 979,531.01, 1,351,678.61 and 549,728.13 is: 758,583.19
Step by Step Solution
- Step 1: Write the proportion equation
979,531.01 : 1,351,678.61 = 549,728.13 : x - Step 2: Convert to fraction form
979,531.01/1,351,678.61 = 549,728.13/x - Step 3: Cross multiply
979,531.01x = 1,351,678.61 × 549,728.13 - Step 4: Simplify right side
979,531.01x = 743,055,754,636.30 - Step 5: Solve for x
x = 743,055,754,636.30/979,531.01 - Step 6: Final answer
x = 758,583.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.