Finding the Fourth Proportional to 827,637.64, 1,241,431.92 and 228,634.84
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Solution
The fourth proportional to 827,637.64, 1,241,431.92 and 228,634.84 is: 342,945.48
Step by Step Solution
- Step 1: Write the proportion equation
827,637.64 : 1,241,431.92 = 228,634.84 : x - Step 2: Convert to fraction form
827,637.64/1,241,431.92 = 228,634.84/x - Step 3: Cross multiply
827,637.64x = 1,241,431.92 × 228,634.84 - Step 4: Simplify right side
827,637.64x = 283,834,588,400.09 - Step 5: Solve for x
x = 283,834,588,400.09/827,637.64 - Step 6: Final answer
x = 342,945.48
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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.