Finding the Fourth Proportional to 778,879.62, 1,168,841.30 and 273,442.10
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Solution
The fourth proportional to 778,879.62, 1,168,841.30 and 273,442.10 is: 410,346.35
Step by Step Solution
- Step 1: Write the proportion equation
778,879.62 : 1,168,841.30 = 273,442.10 : x - Step 2: Convert to fraction form
778,879.62/1,168,841.30 = 273,442.10/x - Step 3: Cross multiply
778,879.62x = 1,168,841.30 × 273,442.10 - Step 4: Simplify right side
778,879.62x = 319,610,412,427.31 - Step 5: Solve for x
x = 319,610,412,427.31/778,879.62 - Step 6: Final answer
x = 410,346.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.