Finding the Fourth Proportional to 979,511.54, 1,351,651.81 and 549,708.63
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Solution
The fourth proportional to 979,511.54, 1,351,651.81 and 549,708.63 is: 758,556.31
Step by Step Solution
- Step 1: Write the proportion equation
979,511.54 : 1,351,651.81 = 549,708.63 : x - Step 2: Convert to fraction form
979,511.54/1,351,651.81 = 549,708.63/x - Step 3: Cross multiply
979,511.54x = 1,351,651.81 × 549,708.63 - Step 4: Simplify right side
979,511.54x = 743,014,655,205.32 - Step 5: Solve for x
x = 743,014,655,205.32/979,511.54 - Step 6: Final answer
x = 758,556.31
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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.