Finding the Fourth Proportional to 669,789.42, 924,310.21 and 363,866.01
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Solution
The fourth proportional to 669,789.42, 924,310.21 and 363,866.01 is: 502,135.53
Step by Step Solution
- Step 1: Write the proportion equation
669,789.42 : 924,310.21 = 363,866.01 : x - Step 2: Convert to fraction form
669,789.42/924,310.21 = 363,866.01/x - Step 3: Cross multiply
669,789.42x = 924,310.21 × 363,866.01 - Step 4: Simplify right side
669,789.42x = 336,325,068,114.96 - Step 5: Solve for x
x = 336,325,068,114.96/669,789.42 - Step 6: Final answer
x = 502,135.53
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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.