Finding the Fourth Proportional to 824,373.59, 1,236,566.97 and 318,992.31
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Solution
The fourth proportional to 824,373.59, 1,236,566.97 and 318,992.31 is: 478,491.02
Step by Step Solution
- Step 1: Write the proportion equation
824,373.59 : 1,236,566.97 = 318,992.31 : x - Step 2: Convert to fraction form
824,373.59/1,236,566.97 = 318,992.31/x - Step 3: Cross multiply
824,373.59x = 1,236,566.97 × 318,992.31 - Step 4: Simplify right side
824,373.59x = 394,455,354,230.00 - Step 5: Solve for x
x = 394,455,354,230.00/824,373.59 - Step 6: Final answer
x = 478,491.02
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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.