Finding the Fourth Proportional to 979,528.01, 1,351,674.47 and 549,725.13
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Solution
The fourth proportional to 979,528.01, 1,351,674.47 and 549,725.13 is: 758,579.05
Step by Step Solution
- Step 1: Write the proportion equation
979,528.01 : 1,351,674.47 = 549,725.13 : x - Step 2: Convert to fraction form
979,528.01/1,351,674.47 = 549,725.13/x - Step 3: Cross multiply
979,528.01x = 1,351,674.47 × 549,725.13 - Step 4: Simplify right side
979,528.01x = 743,049,425,112.74 - Step 5: Solve for x
x = 743,049,425,112.74/979,528.01 - Step 6: Final answer
x = 758,579.05
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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.