Finding the Fourth Proportional to 784,676.60, 1,177,376.88 and 358,343.12
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Solution
The fourth proportional to 784,676.60, 1,177,376.88 and 358,343.12 is: 537,679.99
Step by Step Solution
- Step 1: Write the proportion equation
784,676.60 : 1,177,376.88 = 358,343.12 : x - Step 2: Convert to fraction form
784,676.60/1,177,376.88 = 358,343.12/x - Step 3: Cross multiply
784,676.60x = 1,177,376.88 × 358,343.12 - Step 4: Simplify right side
784,676.60x = 421,904,908,882.30 - Step 5: Solve for x
x = 421,904,908,882.30/784,676.60 - Step 6: Final answer
x = 537,679.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.