Finding the Fourth Proportional to 803,212.92, 1,108,423.34 and 459,044.92
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Solution
The fourth proportional to 803,212.92, 1,108,423.34 and 459,044.92 is: 633,475.99
Step by Step Solution
- Step 1: Write the proportion equation
803,212.92 : 1,108,423.34 = 459,044.92 : x - Step 2: Convert to fraction form
803,212.92/1,108,423.34 = 459,044.92/x - Step 3: Cross multiply
803,212.92x = 1,108,423.34 × 459,044.92 - Step 4: Simplify right side
803,212.92x = 508,816,103,436.43 - Step 5: Solve for x
x = 508,816,103,436.43/803,212.92 - Step 6: Final answer
x = 633,475.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.