Finding the Fourth Proportional to 984,754.80, 1,477,132.20 and 921,769.20
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Solution
The fourth proportional to 984,754.80, 1,477,132.20 and 921,769.20 is: 1,382,653.80
Step by Step Solution
- Step 1: Write the proportion equation
984,754.80 : 1,477,132.20 = 921,769.20 : x - Step 2: Convert to fraction form
984,754.80/1,477,132.20 = 921,769.20/x - Step 3: Cross multiply
984,754.80x = 1,477,132.20 × 921,769.20 - Step 4: Simplify right side
984,754.80x = 1,361,574,966,288.24 - Step 5: Solve for x
x = 1,361,574,966,288.24/984,754.80 - Step 6: Final answer
x = 1,382,653.80
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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.