Finding the Fourth Proportional to 521,816.04, 782,694.08 and 309,929.84
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Solution
The fourth proportional to 521,816.04, 782,694.08 and 309,929.84 is: 464,876.94
Step by Step Solution
- Step 1: Write the proportion equation
521,816.04 : 782,694.08 = 309,929.84 : x - Step 2: Convert to fraction form
521,816.04/782,694.08 = 309,929.84/x - Step 3: Cross multiply
521,816.04x = 782,694.08 × 309,929.84 - Step 4: Simplify right side
521,816.04x = 242,580,245,520.23 - Step 5: Solve for x
x = 242,580,245,520.23/521,816.04 - Step 6: Final answer
x = 464,876.94
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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.