Finding the Fourth Proportional to 665,153.62, 917,892.75 and 363,347.62
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Solution
The fourth proportional to 665,153.62, 917,892.75 and 363,347.62 is: 501,409.20
Step by Step Solution
- Step 1: Write the proportion equation
665,153.62 : 917,892.75 = 363,347.62 : x - Step 2: Convert to fraction form
665,153.62/917,892.75 = 363,347.62/x - Step 3: Cross multiply
665,153.62x = 917,892.75 × 363,347.62 - Step 4: Simplify right side
665,153.62x = 333,514,146,127.76 - Step 5: Solve for x
x = 333,514,146,127.76/665,153.62 - Step 6: Final answer
x = 501,409.20
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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.