Finding the Fourth Proportional to 714,938.18, 1,072,406.37 and 182,459.21
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Solution
The fourth proportional to 714,938.18, 1,072,406.37 and 182,459.21 is: 273,688.59
Step by Step Solution
- Step 1: Write the proportion equation
714,938.18 : 1,072,406.37 = 182,459.21 : x - Step 2: Convert to fraction form
714,938.18/1,072,406.37 = 182,459.21/x - Step 3: Cross multiply
714,938.18x = 1,072,406.37 × 182,459.21 - Step 4: Simplify right side
714,938.18x = 195,670,419,069.17 - Step 5: Solve for x
x = 195,670,419,069.17/714,938.18 - Step 6: Final answer
x = 273,688.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.