Finding the Fourth Proportional to 997,816.68, 1,376,956.26 and 568,158.12
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Solution
The fourth proportional to 997,816.68, 1,376,956.26 and 568,158.12 is: 784,040.69
Step by Step Solution
- Step 1: Write the proportion equation
997,816.68 : 1,376,956.26 = 568,158.12 : x - Step 2: Convert to fraction form
997,816.68/1,376,956.26 = 568,158.12/x - Step 3: Cross multiply
997,816.68x = 1,376,956.26 × 568,158.12 - Step 4: Simplify right side
997,816.68x = 782,328,880,003.83 - Step 5: Solve for x
x = 782,328,880,003.83/997,816.68 - Step 6: Final answer
x = 784,040.69
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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.