Finding the Fourth Proportional to 818,232.84, 1,128,579.67 and 546,163.56
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Solution
The fourth proportional to 818,232.84, 1,128,579.67 and 546,163.56 is: 753,317.47
Step by Step Solution
- Step 1: Write the proportion equation
818,232.84 : 1,128,579.67 = 546,163.56 : x - Step 2: Convert to fraction form
818,232.84/1,128,579.67 = 546,163.56/x - Step 3: Cross multiply
818,232.84x = 1,128,579.67 × 546,163.56 - Step 4: Simplify right side
818,232.84x = 616,389,090,310.83 - Step 5: Solve for x
x = 616,389,090,310.83/818,232.84 - Step 6: Final answer
x = 753,317.47
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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.