Finding the Fourth Proportional to 625,473.18, 863,154.36 and 338,993.19
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Solution
The fourth proportional to 625,473.18, 863,154.36 and 338,993.19 is: 467,811.35
Step by Step Solution
- Step 1: Write the proportion equation
625,473.18 : 863,154.36 = 338,993.19 : x - Step 2: Convert to fraction form
625,473.18/863,154.36 = 338,993.19/x - Step 3: Cross multiply
625,473.18x = 863,154.36 × 338,993.19 - Step 4: Simplify right side
625,473.18x = 292,603,449,958.81 - Step 5: Solve for x
x = 292,603,449,958.81/625,473.18 - Step 6: Final answer
x = 467,811.35
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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.