Finding the Fourth Proportional to 912,571.68, 1,259,351.84 and 510,163.68
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Solution
The fourth proportional to 912,571.68, 1,259,351.84 and 510,163.68 is: 704,027.51
Step by Step Solution
- Step 1: Write the proportion equation
912,571.68 : 1,259,351.84 = 510,163.68 : x - Step 2: Convert to fraction form
912,571.68/1,259,351.84 = 510,163.68/x - Step 3: Cross multiply
912,571.68x = 1,259,351.84 × 510,163.68 - Step 4: Simplify right side
912,571.68x = 642,475,569,109.17 - Step 5: Solve for x
x = 642,475,569,109.17/912,571.68 - Step 6: Final answer
x = 704,027.51
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1.5x scale
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.