Finding the Fourth Proportional to 834,711.14, 1,252,264.07 and 664,576.18
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Solution
The fourth proportional to 834,711.14, 1,252,264.07 and 664,576.18 is: 997,021.40
Step by Step Solution
- Step 1: Write the proportion equation
834,711.14 : 1,252,264.07 = 664,576.18 : x - Step 2: Convert to fraction form
834,711.14/1,252,264.07 = 664,576.18/x - Step 3: Cross multiply
834,711.14x = 1,252,264.07 × 664,576.18 - Step 4: Simplify right side
834,711.14x = 832,224,871,991.85 - Step 5: Solve for x
x = 832,224,871,991.85/834,711.14 - Step 6: Final answer
x = 997,021.40
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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.