Finding the Fourth Proportional to 880,356.62, 1,320,535.02 and 459,534.08
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Solution
The fourth proportional to 880,356.62, 1,320,535.02 and 459,534.08 is: 689,301.17
Step by Step Solution
- Step 1: Write the proportion equation
880,356.62 : 1,320,535.02 = 459,534.08 : x - Step 2: Convert to fraction form
880,356.62/1,320,535.02 = 459,534.08/x - Step 3: Cross multiply
880,356.62x = 1,320,535.02 × 459,534.08 - Step 4: Simplify right side
880,356.62x = 606,830,845,523.48 - Step 5: Solve for x
x = 606,830,845,523.48/880,356.62 - Step 6: Final answer
x = 689,301.17
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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.