Finding the Fourth Proportional to 883,676.25, 1,325,618.18 and 315,138.17
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Solution
The fourth proportional to 883,676.25, 1,325,618.18 and 315,138.17 is: 472,744.28
Step by Step Solution
- Step 1: Write the proportion equation
883,676.25 : 1,325,618.18 = 315,138.17 : x - Step 2: Convert to fraction form
883,676.25/1,325,618.18 = 315,138.17/x - Step 3: Cross multiply
883,676.25x = 1,325,618.18 × 315,138.17 - Step 4: Simplify right side
883,676.25x = 417,752,887,442.08 - Step 5: Solve for x
x = 417,752,887,442.08/883,676.25 - Step 6: Final answer
x = 472,744.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.