Finding the Fourth Proportional to 722,959.80, 1,084,232.34 and 279,624.12
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Solution
The fourth proportional to 722,959.80, 1,084,232.34 and 279,624.12 is: 419,355.98
Step by Step Solution
- Step 1: Write the proportion equation
722,959.80 : 1,084,232.34 = 279,624.12 : x - Step 2: Convert to fraction form
722,959.80/1,084,232.34 = 279,624.12/x - Step 3: Cross multiply
722,959.80x = 1,084,232.34 × 279,624.12 - Step 4: Simplify right side
722,959.80x = 303,177,513,948.04 - Step 5: Solve for x
x = 303,177,513,948.04/722,959.80 - Step 6: Final answer
x = 419,355.98
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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.