Finding the Fourth Proportional to 669,731.29, 924,245.79 and 363,807.55
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Solution
The fourth proportional to 669,731.29, 924,245.79 and 363,807.55 is: 502,063.45
Step by Step Solution
- Step 1: Write the proportion equation
669,731.29 : 924,245.79 = 363,807.55 : x - Step 2: Convert to fraction form
669,731.29/924,245.79 = 363,807.55/x - Step 3: Cross multiply
669,731.29x = 924,245.79 × 363,807.55 - Step 4: Simplify right side
669,731.29x = 336,247,598,295.16 - Step 5: Solve for x
x = 336,247,598,295.16/669,731.29 - Step 6: Final answer
x = 502,063.45
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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.