Finding the Fourth Proportional to 632,519.32, 872,859.93 and 374,409.58
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Solution
The fourth proportional to 632,519.32, 872,859.93 and 374,409.58 is: 516,675.32
Step by Step Solution
- Step 1: Write the proportion equation
632,519.32 : 872,859.93 = 374,409.58 : x - Step 2: Convert to fraction form
632,519.32/872,859.93 = 374,409.58/x - Step 3: Cross multiply
632,519.32x = 872,859.93 × 374,409.58 - Step 4: Simplify right side
632,519.32x = 326,807,119,790.13 - Step 5: Solve for x
x = 326,807,119,790.13/632,519.32 - Step 6: Final answer
x = 516,675.32
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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.