Finding the Fourth Proportional to 816,260.13, 1,220,808.92 and 726,932.79
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Solution
The fourth proportional to 816,260.13, 1,220,808.92 and 726,932.79 is: 1,087,209.82
Step by Step Solution
- Step 1: Write the proportion equation
816,260.13 : 1,220,808.92 = 726,932.79 : x - Step 2: Convert to fraction form
816,260.13/1,220,808.92 = 726,932.79/x - Step 3: Cross multiply
816,260.13x = 1,220,808.92 × 726,932.79 - Step 4: Simplify right side
816,260.13x = 887,446,030,637.82 - Step 5: Solve for x
x = 887,446,030,637.82/816,260.13 - Step 6: Final answer
x = 1,087,209.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.