Finding the Fourth Proportional to 766,371.43, 1,057,513.16 and 471,974.56
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Solution
The fourth proportional to 766,371.43, 1,057,513.16 and 471,974.56 is: 651,275.99
Step by Step Solution
- Step 1: Write the proportion equation
766,371.43 : 1,057,513.16 = 471,974.56 : x - Step 2: Convert to fraction form
766,371.43/1,057,513.16 = 471,974.56/x - Step 3: Cross multiply
766,371.43x = 1,057,513.16 × 471,974.56 - Step 4: Simplify right side
766,371.43x = 499,119,308,385.21 - Step 5: Solve for x
x = 499,119,308,385.21/766,371.43 - Step 6: Final answer
x = 651,275.99
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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.