Finding the Fourth Proportional to 669,609.05, 924,063.12 and 363,690.53
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Solution
The fourth proportional to 669,609.05, 924,063.12 and 363,690.53 is: 501,894.37
Step by Step Solution
- Step 1: Write the proportion equation
669,609.05 : 924,063.12 = 363,690.53 : x - Step 2: Convert to fraction form
669,609.05/924,063.12 = 363,690.53/x - Step 3: Cross multiply
669,609.05x = 924,063.12 × 363,690.53 - Step 4: Simplify right side
669,609.05x = 336,073,011,768.22 - Step 5: Solve for x
x = 336,073,011,768.22/669,609.05 - Step 6: Final answer
x = 501,894.37
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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.