Finding the Fourth Proportional to 907,135.40, 1,360,703.10 and 809,157.80
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Solution
The fourth proportional to 907,135.40, 1,360,703.10 and 809,157.80 is: 1,213,736.70
Step by Step Solution
- Step 1: Write the proportion equation
907,135.40 : 1,360,703.10 = 809,157.80 : x - Step 2: Convert to fraction form
907,135.40/1,360,703.10 = 809,157.80/x - Step 3: Cross multiply
907,135.40x = 1,360,703.10 × 809,157.80 - Step 4: Simplify right side
907,135.40x = 1,101,023,526,849.18 - Step 5: Solve for x
x = 1,101,023,526,849.18/907,135.40 - Step 6: Final answer
x = 1,213,736.70
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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.