Finding the Fourth Proportional to 819,101.67, 1,130,365.53 and 456,548.55
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Solution
The fourth proportional to 819,101.67, 1,130,365.53 and 456,548.55 is: 630,039.92
Step by Step Solution
- Step 1: Write the proportion equation
819,101.67 : 1,130,365.53 = 456,548.55 : x - Step 2: Convert to fraction form
819,101.67/1,130,365.53 = 456,548.55/x - Step 3: Cross multiply
819,101.67x = 1,130,365.53 × 456,548.55 - Step 4: Simplify right side
819,101.67x = 516,066,745,810.92 - Step 5: Solve for x
x = 516,066,745,810.92/819,101.67 - Step 6: Final answer
x = 630,039.92
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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.