Finding the Fourth Proportional to 784,213.60, 1,177,486.80 and 606,920.80
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Solution
The fourth proportional to 784,213.60, 1,177,486.80 and 606,920.80 is: 911,283.90
Step by Step Solution
- Step 1: Write the proportion equation
784,213.60 : 1,177,486.80 = 606,920.80 : x - Step 2: Convert to fraction form
784,213.60/1,177,486.80 = 606,920.80/x - Step 3: Cross multiply
784,213.60x = 1,177,486.80 × 606,920.80 - Step 4: Simplify right side
784,213.60x = 714,641,230,645.44 - Step 5: Solve for x
x = 714,641,230,645.44/784,213.60 - Step 6: Final answer
x = 911,283.90
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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.