Finding the Fourth Proportional to 986,775.08, 1,361,673.60 and 557,097.68
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Solution
The fourth proportional to 986,775.08, 1,361,673.60 and 557,097.68 is: 768,751.89
Step by Step Solution
- Step 1: Write the proportion equation
986,775.08 : 1,361,673.60 = 557,097.68 : x - Step 2: Convert to fraction form
986,775.08/1,361,673.60 = 557,097.68/x - Step 3: Cross multiply
986,775.08x = 1,361,673.60 × 557,097.68 - Step 4: Simplify right side
986,775.08x = 758,585,203,477.25 - Step 5: Solve for x
x = 758,585,203,477.25/986,775.08 - Step 6: Final answer
x = 768,751.89
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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.