Finding the Fourth Proportional to 959,173.11, 1,438,448.16 and 319,304.97
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Solution
The fourth proportional to 959,173.11, 1,438,448.16 and 319,304.97 is: 478,853.76
Step by Step Solution
- Step 1: Write the proportion equation
959,173.11 : 1,438,448.16 = 319,304.97 : x - Step 2: Convert to fraction form
959,173.11/1,438,448.16 = 319,304.97/x - Step 3: Cross multiply
959,173.11x = 1,438,448.16 × 319,304.97 - Step 4: Simplify right side
959,173.11x = 459,303,646,575.36 - Step 5: Solve for x
x = 459,303,646,575.36/959,173.11 - Step 6: Final answer
x = 478,853.76
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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.