Finding the Fourth Proportional to 680,125.83, 938,580.84 and 374,206.23
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Solution
The fourth proportional to 680,125.83, 938,580.84 and 374,206.23 is: 516,408.56
Step by Step Solution
- Step 1: Write the proportion equation
680,125.83 : 938,580.84 = 374,206.23 : x - Step 2: Convert to fraction form
680,125.83/938,580.84 = 374,206.23/x - Step 3: Cross multiply
680,125.83x = 938,580.84 × 374,206.23 - Step 4: Simplify right side
680,125.83x = 351,222,797,686.63 - Step 5: Solve for x
x = 351,222,797,686.63/680,125.83 - Step 6: Final answer
x = 516,408.56
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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.