Finding the Fourth Proportional to 959,279.96, 1,438,582.12 and 319,409.92
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Solution
The fourth proportional to 959,279.96, 1,438,582.12 and 319,409.92 is: 479,002.40
Step by Step Solution
- Step 1: Write the proportion equation
959,279.96 : 1,438,582.12 = 319,409.92 : x - Step 2: Convert to fraction form
959,279.96/1,438,582.12 = 319,409.92/x - Step 3: Cross multiply
959,279.96x = 1,438,582.12 × 319,409.92 - Step 4: Simplify right side
959,279.96x = 459,497,399,862.63 - Step 5: Solve for x
x = 459,497,399,862.63/959,279.96 - Step 6: Final answer
x = 479,002.40
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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.