Finding the Fourth Proportional to 748,693.42, 1,033,268.16 and 409,212.70
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Solution
The fourth proportional to 748,693.42, 1,033,268.16 and 409,212.70 is: 564,752.46
Step by Step Solution
- Step 1: Write the proportion equation
748,693.42 : 1,033,268.16 = 409,212.70 : x - Step 2: Convert to fraction form
748,693.42/1,033,268.16 = 409,212.70/x - Step 3: Cross multiply
748,693.42x = 1,033,268.16 × 409,212.70 - Step 4: Simplify right side
748,693.42x = 422,826,453,577.63 - Step 5: Solve for x
x = 422,826,453,577.63/748,693.42 - Step 6: Final answer
x = 564,752.46
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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.