Finding the Fourth Proportional to 925,983.12, 1,395,915.07 and 864,258.46
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Solution
The fourth proportional to 925,983.12, 1,395,915.07 and 864,258.46 is: 1,302,865.44
Step by Step Solution
- Step 1: Write the proportion equation
925,983.12 : 1,395,915.07 = 864,258.46 : x - Step 2: Convert to fraction form
925,983.12/1,395,915.07 = 864,258.46/x - Step 3: Cross multiply
925,983.12x = 1,395,915.07 × 864,258.46 - Step 4: Simplify right side
925,983.12x = 1,206,431,408,688.99 - Step 5: Solve for x
x = 1,206,431,408,688.99/925,983.12 - Step 6: Final answer
x = 1,302,865.44
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.