Finding the Fourth Proportional to 982,915.07, 1,474,373.21 and 272,943.18
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Solution
The fourth proportional to 982,915.07, 1,474,373.21 and 272,943.18 is: 409,414.94
Step by Step Solution
- Step 1: Write the proportion equation
982,915.07 : 1,474,373.21 = 272,943.18 : x - Step 2: Convert to fraction form
982,915.07/1,474,373.21 = 272,943.18/x - Step 3: Cross multiply
982,915.07x = 1,474,373.21 × 272,943.18 - Step 4: Simplify right side
982,915.07x = 402,420,111,079.49 - Step 5: Solve for x
x = 402,420,111,079.49/982,915.07 - Step 6: Final answer
x = 409,414.94
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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.