Finding the Fourth Proportional to 945,920.88, 1,303,152.84 and 658,921.68
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Solution
The fourth proportional to 945,920.88, 1,303,152.84 and 658,921.68 is: 907,766.89
Step by Step Solution
- Step 1: Write the proportion equation
945,920.88 : 1,303,152.84 = 658,921.68 : x - Step 2: Convert to fraction form
945,920.88/1,303,152.84 = 658,921.68/x - Step 3: Cross multiply
945,920.88x = 1,303,152.84 × 658,921.68 - Step 4: Simplify right side
945,920.88x = 858,675,658,629.57 - Step 5: Solve for x
x = 858,675,658,629.57/945,920.88 - Step 6: Final answer
x = 907,766.89
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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.