Finding the Fourth Proportional to 939,583.08, 1,296,689.22 and 531,684.36
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Solution
The fourth proportional to 939,583.08, 1,296,689.22 and 531,684.36 is: 733,760.95
Step by Step Solution
- Step 1: Write the proportion equation
939,583.08 : 1,296,689.22 = 531,684.36 : x - Step 2: Convert to fraction form
939,583.08/1,296,689.22 = 531,684.36/x - Step 3: Cross multiply
939,583.08x = 1,296,689.22 × 531,684.36 - Step 4: Simplify right side
939,583.08x = 689,429,378,054.60 - Step 5: Solve for x
x = 689,429,378,054.60/939,583.08 - Step 6: Final answer
x = 733,760.95
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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.