Finding the Fourth Proportional to 622,826.84, 859,502.94 and 361,232.84
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Solution
The fourth proportional to 622,826.84, 859,502.94 and 361,232.84 is: 498,502.42
Step by Step Solution
- Step 1: Write the proportion equation
622,826.84 : 859,502.94 = 361,232.84 : x - Step 2: Convert to fraction form
622,826.84/859,502.94 = 361,232.84/x - Step 3: Cross multiply
622,826.84x = 859,502.94 × 361,232.84 - Step 4: Simplify right side
622,826.84x = 310,480,688,004.55 - Step 5: Solve for x
x = 310,480,688,004.55/622,826.84 - Step 6: Final answer
x = 498,502.42
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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.