Finding the Fourth Proportional to 791,966.68, 1,091,856.72 and 629,163.36
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Solution
The fourth proportional to 791,966.68, 1,091,856.72 and 629,163.36 is: 867,405.49
Step by Step Solution
- Step 1: Write the proportion equation
791,966.68 : 1,091,856.72 = 629,163.36 : x - Step 2: Convert to fraction form
791,966.68/1,091,856.72 = 629,163.36/x - Step 3: Cross multiply
791,966.68x = 1,091,856.72 × 629,163.36 - Step 4: Simplify right side
791,966.68x = 686,956,245,323.42 - Step 5: Solve for x
x = 686,956,245,323.42/791,966.68 - Step 6: Final answer
x = 867,405.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.