Finding the Fourth Proportional to 684,296.64, 944,299.62 and 374,193.48
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Solution
The fourth proportional to 684,296.64, 944,299.62 and 374,193.48 is: 516,370.74
Step by Step Solution
- Step 1: Write the proportion equation
684,296.64 : 944,299.62 = 374,193.48 : x - Step 2: Convert to fraction form
684,296.64/944,299.62 = 374,193.48/x - Step 3: Cross multiply
684,296.64x = 944,299.62 × 374,193.48 - Step 4: Simplify right side
684,296.64x = 353,350,760,970.48 - Step 5: Solve for x
x = 353,350,760,970.48/684,296.64 - Step 6: Final answer
x = 516,370.74
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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.