Finding the Fourth Proportional to 766,313.87, 1,057,513.14 and 426,782.12
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Solution
The fourth proportional to 766,313.87, 1,057,513.14 and 426,782.12 is: 588,959.32
Step by Step Solution
- Step 1: Write the proportion equation
766,313.87 : 1,057,513.14 = 426,782.12 : x - Step 2: Convert to fraction form
766,313.87/1,057,513.14 = 426,782.12/x - Step 3: Cross multiply
766,313.87x = 1,057,513.14 × 426,782.12 - Step 4: Simplify right side
766,313.87x = 451,327,694,529.49 - Step 5: Solve for x
x = 451,327,694,529.49/766,313.87 - Step 6: Final answer
x = 588,959.32
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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.