Finding the Fourth Proportional to 665,621.84, 918,558.60 and 363,815.84
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Solution
The fourth proportional to 665,621.84, 918,558.60 and 363,815.84 is: 502,066.11
Step by Step Solution
- Step 1: Write the proportion equation
665,621.84 : 918,558.60 = 363,815.84 : x - Step 2: Convert to fraction form
665,621.84/918,558.60 = 363,815.84/x - Step 3: Cross multiply
665,621.84x = 918,558.60 × 363,815.84 - Step 4: Simplify right side
665,621.84x = 334,186,168,648.22 - Step 5: Solve for x
x = 334,186,168,648.22/665,621.84 - Step 6: Final answer
x = 502,066.11
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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.