Finding the Fourth Proportional to 632,518.82, 872,859.24 and 374,409.08
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Solution
The fourth proportional to 632,518.82, 872,859.24 and 374,409.08 is: 516,674.63
Step by Step Solution
- Step 1: Write the proportion equation
632,518.82 : 872,859.24 = 374,409.08 : x - Step 2: Convert to fraction form
632,518.82/872,859.24 = 374,409.08/x - Step 3: Cross multiply
632,518.82x = 872,859.24 × 374,409.08 - Step 4: Simplify right side
632,518.82x = 326,806,425,017.90 - Step 5: Solve for x
x = 326,806,425,017.90/632,518.82 - Step 6: Final answer
x = 516,674.63
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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.