Finding the Fourth Proportional to 982,030.97, 1,355,825.39 and 672,451.63
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Solution
The fourth proportional to 982,030.97, 1,355,825.39 and 672,451.63 is: 928,409.60
Step by Step Solution
- Step 1: Write the proportion equation
982,030.97 : 1,355,825.39 = 672,451.63 : x - Step 2: Convert to fraction form
982,030.97/1,355,825.39 = 672,451.63/x - Step 3: Cross multiply
982,030.97x = 1,355,825.39 × 672,451.63 - Step 4: Simplify right side
982,030.97x = 911,726,986,749.06 - Step 5: Solve for x
x = 911,726,986,749.06/982,030.97 - Step 6: Final answer
x = 928,409.60
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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.