Finding the Fourth Proportional to 586,563.58, 880,178.20 and 316,688.12
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Solution
The fourth proportional to 586,563.58, 880,178.20 and 316,688.12 is: 475,211.88
Step by Step Solution
- Step 1: Write the proportion equation
586,563.58 : 880,178.20 = 316,688.12 : x - Step 2: Convert to fraction form
586,563.58/880,178.20 = 316,688.12/x - Step 3: Cross multiply
586,563.58x = 880,178.20 × 316,688.12 - Step 4: Simplify right side
586,563.58x = 278,741,976,961.30 - Step 5: Solve for x
x = 278,741,976,961.30/586,563.58 - Step 6: Final answer
x = 475,211.88
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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.