Finding the Fourth Proportional to 669,817.96, 924,344.94 and 363,891.88
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Solution
The fourth proportional to 669,817.96, 924,344.94 and 363,891.88 is: 502,168.71
Step by Step Solution
- Step 1: Write the proportion equation
669,817.96 : 924,344.94 = 363,891.88 : x - Step 2: Convert to fraction form
669,817.96/924,344.94 = 363,891.88/x - Step 3: Cross multiply
669,817.96x = 924,344.94 × 363,891.88 - Step 4: Simplify right side
669,817.96x = 336,361,617,985.09 - Step 5: Solve for x
x = 336,361,617,985.09/669,817.96 - Step 6: Final answer
x = 502,168.71
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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.