Finding the Fourth Proportional to 1,338,630.00, 2,008,742.79 and 485,768.14
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Solution
The fourth proportional to 1,338,630.00, 2,008,742.79 and 485,768.14 is: 728,941.72
Step by Step Solution
- Step 1: Write the proportion equation
1,338,630.00 : 2,008,742.79 = 485,768.14 : x - Step 2: Convert to fraction form
1,338,630.00/2,008,742.79 = 485,768.14/x - Step 3: Cross multiply
1,338,630.00x = 2,008,742.79 × 485,768.14 - Step 4: Simplify right side
1,338,630.00x = 975,783,245,636.48 - Step 5: Solve for x
x = 975,783,245,636.48/1,338,630.00 - Step 6: Final answer
x = 728,941.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.