Finding the Fourth Proportional to 523,868.05, 784,635.68 and 453,884.05
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Solution
The fourth proportional to 523,868.05, 784,635.68 and 453,884.05 is: 679,815.50
Step by Step Solution
- Step 1: Write the proportion equation
523,868.05 : 784,635.68 = 453,884.05 : x - Step 2: Convert to fraction form
523,868.05/784,635.68 = 453,884.05/x - Step 3: Cross multiply
523,868.05x = 784,635.68 × 453,884.05 - Step 4: Simplify right side
523,868.05x = 356,133,617,943.48 - Step 5: Solve for x
x = 356,133,617,943.48/523,868.05 - Step 6: Final answer
x = 679,815.50
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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.