Finding the Fourth Proportional to 985,795.44, 1,478,467.08 and 275,873.28
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Solution
The fourth proportional to 985,795.44, 1,478,467.08 and 275,873.28 is: 413,746.65
Step by Step Solution
- Step 1: Write the proportion equation
985,795.44 : 1,478,467.08 = 275,873.28 : x - Step 2: Convert to fraction form
985,795.44/1,478,467.08 = 275,873.28/x - Step 3: Cross multiply
985,795.44x = 1,478,467.08 × 275,873.28 - Step 4: Simplify right side
985,795.44x = 407,869,562,731.62 - Step 5: Solve for x
x = 407,869,562,731.62/985,795.44 - Step 6: Final answer
x = 413,746.65
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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.