Finding the Fourth Proportional to 634,373.20, 875,475.48 and 419,135.68
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Solution
The fourth proportional to 634,373.20, 875,475.48 and 419,135.68 is: 578,433.97
Step by Step Solution
- Step 1: Write the proportion equation
634,373.20 : 875,475.48 = 419,135.68 : x - Step 2: Convert to fraction form
634,373.20/875,475.48 = 419,135.68/x - Step 3: Cross multiply
634,373.20x = 875,475.48 × 419,135.68 - Step 4: Simplify right side
634,373.20x = 366,943,010,633.13 - Step 5: Solve for x
x = 366,943,010,633.13/634,373.20 - Step 6: Final answer
x = 578,433.97
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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.