Finding the Fourth Proportional to 684,264.63, 944,261.28 and 374,174.40
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Solution
The fourth proportional to 684,264.63, 944,261.28 and 374,174.40 is: 516,347.60
Step by Step Solution
- Step 1: Write the proportion equation
684,264.63 : 944,261.28 = 374,174.40 : x - Step 2: Convert to fraction form
684,264.63/944,261.28 = 374,174.40/x - Step 3: Cross multiply
684,264.63x = 944,261.28 × 374,174.40 - Step 4: Simplify right side
684,264.63x = 353,318,397,887.23 - Step 5: Solve for x
x = 353,318,397,887.23/684,264.63 - Step 6: Final answer
x = 516,347.60
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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.