Finding the Fourth Proportional to 665,633.84, 918,575.18 and 363,827.84
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Solution
The fourth proportional to 665,633.84, 918,575.18 and 363,827.84 is: 502,082.68
Step by Step Solution
- Step 1: Write the proportion equation
665,633.84 : 918,575.18 = 363,827.84 : x - Step 2: Convert to fraction form
665,633.84/918,575.18 = 363,827.84/x - Step 3: Cross multiply
665,633.84x = 918,575.18 × 363,827.84 - Step 4: Simplify right side
665,633.84x = 334,203,223,617.01 - Step 5: Solve for x
x = 334,203,223,617.01/665,633.84 - Step 6: Final answer
x = 502,082.68
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1.5x scale
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.