Finding the Fourth Proportional to 835,620.42, 1,153,170.09 and 453,647.28
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Solution
The fourth proportional to 835,620.42, 1,153,170.09 and 453,647.28 is: 626,040.80
Step by Step Solution
- Step 1: Write the proportion equation
835,620.42 : 1,153,170.09 = 453,647.28 : x - Step 2: Convert to fraction form
835,620.42/1,153,170.09 = 453,647.28/x - Step 3: Cross multiply
835,620.42x = 1,153,170.09 × 453,647.28 - Step 4: Simplify right side
835,620.42x = 523,132,474,705.86 - Step 5: Solve for x
x = 523,132,474,705.86/835,620.42 - Step 6: Final answer
x = 626,040.80
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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.