Finding the Fourth Proportional to 886,455.36, 1,330,426.95 and 460,252.80
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Solution
The fourth proportional to 886,455.36, 1,330,426.95 and 460,252.80 is: 690,765.44
Step by Step Solution
- Step 1: Write the proportion equation
886,455.36 : 1,330,426.95 = 460,252.80 : x - Step 2: Convert to fraction form
886,455.36/1,330,426.95 = 460,252.80/x - Step 3: Cross multiply
886,455.36x = 1,330,426.95 × 460,252.80 - Step 4: Simplify right side
886,455.36x = 612,332,728,932.96 - Step 5: Solve for x
x = 612,332,728,932.96/886,455.36 - Step 6: Final answer
x = 690,765.44
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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.