Finding the Fourth Proportional to 809,087.58, 1,213,763.00 and 303,688.26
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Solution
The fourth proportional to 809,087.58, 1,213,763.00 and 303,688.26 is: 455,581.79
Step by Step Solution
- Step 1: Write the proportion equation
809,087.58 : 1,213,763.00 = 303,688.26 : x - Step 2: Convert to fraction form
809,087.58/1,213,763.00 = 303,688.26/x - Step 3: Cross multiply
809,087.58x = 1,213,763.00 × 303,688.26 - Step 4: Simplify right side
809,087.58x = 368,605,572,003.94 - Step 5: Solve for x
x = 368,605,572,003.94/809,087.58 - Step 6: Final answer
x = 455,581.79
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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.