Finding the Fourth Proportional to 784,990.72, 1,176,775.11 and 545,217.84
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Solution
The fourth proportional to 784,990.72, 1,176,775.11 and 545,217.84 is: 817,332.95
Step by Step Solution
- Step 1: Write the proportion equation
784,990.72 : 1,176,775.11 = 545,217.84 : x - Step 2: Convert to fraction form
784,990.72/1,176,775.11 = 545,217.84/x - Step 3: Cross multiply
784,990.72x = 1,176,775.11 × 545,217.84 - Step 4: Simplify right side
784,990.72x = 641,598,783,639.96 - Step 5: Solve for x
x = 641,598,783,639.96/784,990.72 - Step 6: Final answer
x = 817,332.95
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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.