Finding the Fourth Proportional to 845,349.12, 1,166,611.68 and 463,375.80
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Solution
The fourth proportional to 845,349.12, 1,166,611.68 and 463,375.80 is: 639,474.99
Step by Step Solution
- Step 1: Write the proportion equation
845,349.12 : 1,166,611.68 = 463,375.80 : x - Step 2: Convert to fraction form
845,349.12/1,166,611.68 = 463,375.80/x - Step 3: Cross multiply
845,349.12x = 1,166,611.68 × 463,375.80 - Step 4: Simplify right side
845,349.12x = 540,579,620,509.34 - Step 5: Solve for x
x = 540,579,620,509.34/845,349.12 - Step 6: Final answer
x = 639,474.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.