Finding the Fourth Proportional to 979,511.79, 1,351,652.16 and 549,708.87
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Solution
The fourth proportional to 979,511.79, 1,351,652.16 and 549,708.87 is: 758,556.65
Step by Step Solution
- Step 1: Write the proportion equation
979,511.79 : 1,351,652.16 = 549,708.87 : x - Step 2: Convert to fraction form
979,511.79/1,351,652.16 = 549,708.87/x - Step 3: Cross multiply
979,511.79x = 1,351,652.16 × 549,708.87 - Step 4: Simplify right side
979,511.79x = 743,015,181,506.66 - Step 5: Solve for x
x = 743,015,181,506.66/979,511.79 - Step 6: Final answer
x = 758,556.65
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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.