Finding the Fourth Proportional to 669,626.19, 924,090.93 and 363,705.53
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Solution
The fourth proportional to 669,626.19, 924,090.93 and 363,705.53 is: 501,917.31
Step by Step Solution
- Step 1: Write the proportion equation
669,626.19 : 924,090.93 = 363,705.53 : x - Step 2: Convert to fraction form
669,626.19/924,090.93 = 363,705.53/x - Step 3: Cross multiply
669,626.19x = 924,090.93 × 363,705.53 - Step 4: Simplify right side
669,626.19x = 336,096,976,843.39 - Step 5: Solve for x
x = 336,096,976,843.39/669,626.19 - Step 6: Final answer
x = 501,917.31
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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.