Finding the Fourth Proportional to 880,881.70, 1,235,722.70 and 880,881.70
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Solution
The fourth proportional to 880,881.70, 1,235,722.70 and 880,881.70 is: 1,235,722.70
Step by Step Solution
- Step 1: Write the proportion equation
880,881.70 : 1,235,722.70 = 880,881.70 : x - Step 2: Convert to fraction form
880,881.70/1,235,722.70 = 880,881.70/x - Step 3: Cross multiply
880,881.70x = 1,235,722.70 × 880,881.70 - Step 4: Simplify right side
880,881.70x = 1,088,525,512,704.59 - Step 5: Solve for x
x = 1,088,525,512,704.59/880,881.70 - Step 6: Final answer
x = 1,235,722.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.