Finding the Fourth Proportional to 659,089.44, 909,537.12 and 372,611.52
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Solution
The fourth proportional to 659,089.44, 909,537.12 and 372,611.52 is: 514,200.33
Step by Step Solution
- Step 1: Write the proportion equation
659,089.44 : 909,537.12 = 372,611.52 : x - Step 2: Convert to fraction form
659,089.44/909,537.12 = 372,611.52/x - Step 3: Cross multiply
659,089.44x = 909,537.12 × 372,611.52 - Step 4: Simplify right side
659,089.44x = 338,904,008,779.62 - Step 5: Solve for x
x = 338,904,008,779.62/659,089.44 - Step 6: Final answer
x = 514,200.33
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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.