Finding the Fourth Proportional to 986,852.08, 1,361,859.97 and 534,143.08
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Solution
The fourth proportional to 986,852.08, 1,361,859.97 and 534,143.08 is: 737,119.67
Step by Step Solution
- Step 1: Write the proportion equation
986,852.08 : 1,361,859.97 = 534,143.08 : x - Step 2: Convert to fraction form
986,852.08/1,361,859.97 = 534,143.08/x - Step 3: Cross multiply
986,852.08x = 1,361,859.97 × 534,143.08 - Step 4: Simplify right side
986,852.08x = 727,428,078,904.51 - Step 5: Solve for x
x = 727,428,078,904.51/986,852.08 - Step 6: Final answer
x = 737,119.67
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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.