Finding the Fourth Proportional to 966,818.20, 1,448,477.70 and 826,850.20
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Solution
The fourth proportional to 966,818.20, 1,448,477.70 and 826,850.20 is: 1,238,778.99
Step by Step Solution
- Step 1: Write the proportion equation
966,818.20 : 1,448,477.70 = 826,850.20 : x - Step 2: Convert to fraction form
966,818.20/1,448,477.70 = 826,850.20/x - Step 3: Cross multiply
966,818.20x = 1,448,477.70 × 826,850.20 - Step 4: Simplify right side
966,818.20x = 1,197,674,075,940.54 - Step 5: Solve for x
x = 1,197,674,075,940.54/966,818.20 - Step 6: Final answer
x = 1,238,778.99
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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.