Finding the Fourth Proportional to 676,107.40, 933,048.18 and 374,301.40
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Solution
The fourth proportional to 676,107.40, 933,048.18 and 374,301.40 is: 516,546.99
Step by Step Solution
- Step 1: Write the proportion equation
676,107.40 : 933,048.18 = 374,301.40 : x - Step 2: Convert to fraction form
676,107.40/933,048.18 = 374,301.40/x - Step 3: Cross multiply
676,107.40x = 933,048.18 × 374,301.40 - Step 4: Simplify right side
676,107.40x = 349,241,240,041.45 - Step 5: Solve for x
x = 349,241,240,041.45/676,107.40 - Step 6: Final answer
x = 516,546.99
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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.