Finding the Fourth Proportional to 669,636.44, 924,105.10 and 363,715.80
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Solution
The fourth proportional to 669,636.44, 924,105.10 and 363,715.80 is: 501,931.50
Step by Step Solution
- Step 1: Write the proportion equation
669,636.44 : 924,105.10 = 363,715.80 : x - Step 2: Convert to fraction form
669,636.44/924,105.10 = 363,715.80/x - Step 3: Cross multiply
669,636.44x = 924,105.10 × 363,715.80 - Step 4: Simplify right side
669,636.44x = 336,111,625,730.58 - Step 5: Solve for x
x = 336,111,625,730.58/669,636.44 - Step 6: Final answer
x = 501,931.50
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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.