Finding the Fourth Proportional to 936,749.39, 1,405,684.66 and 860,520.82
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Solution
The fourth proportional to 936,749.39, 1,405,684.66 and 860,520.82 is: 1,291,296.19
Step by Step Solution
- Step 1: Write the proportion equation
936,749.39 : 1,405,684.66 = 860,520.82 : x - Step 2: Convert to fraction form
936,749.39/1,405,684.66 = 860,520.82/x - Step 3: Cross multiply
936,749.39x = 1,405,684.66 × 860,520.82 - Step 4: Simplify right side
936,749.39x = 1,209,620,916,284.62 - Step 5: Solve for x
x = 1,209,620,916,284.62/936,749.39 - Step 6: Final answer
x = 1,291,296.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.