Finding the Fourth Proportional to 880,007.68, 1,214,411.10 and 477,599.68
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Solution
The fourth proportional to 880,007.68, 1,214,411.10 and 477,599.68 is: 659,087.83
Step by Step Solution
- Step 1: Write the proportion equation
880,007.68 : 1,214,411.10 = 477,599.68 : x - Step 2: Convert to fraction form
880,007.68/1,214,411.10 = 477,599.68/x - Step 3: Cross multiply
880,007.68x = 1,214,411.10 × 477,599.68 - Step 4: Simplify right side
880,007.68x = 580,002,350,360.45 - Step 5: Solve for x
x = 580,002,350,360.45/880,007.68 - Step 6: Final answer
x = 659,087.83
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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.