Finding the Fourth Proportional to 740,826.09, 1,022,391.18 and 450,551.05
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Solution
The fourth proportional to 740,826.09, 1,022,391.18 and 450,551.05 is: 621,791.57
Step by Step Solution
- Step 1: Write the proportion equation
740,826.09 : 1,022,391.18 = 450,551.05 : x - Step 2: Convert to fraction form
740,826.09/1,022,391.18 = 450,551.05/x - Step 3: Cross multiply
740,826.09x = 1,022,391.18 × 450,551.05 - Step 4: Simplify right side
740,826.09x = 460,639,417,103.76 - Step 5: Solve for x
x = 460,639,417,103.76/740,826.09 - Step 6: Final answer
x = 621,791.57
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.