Finding the Fourth Proportional to 930,721.07, 1,395,915.30 and 247,611.62
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Solution
The fourth proportional to 930,721.07, 1,395,915.30 and 247,611.62 is: 371,373.19
Step by Step Solution
- Step 1: Write the proportion equation
930,721.07 : 1,395,915.30 = 247,611.62 : x - Step 2: Convert to fraction form
930,721.07/1,395,915.30 = 247,611.62/x - Step 3: Cross multiply
930,721.07x = 1,395,915.30 × 247,611.62 - Step 4: Simplify right side
930,721.07x = 345,644,852,305.57 - Step 5: Solve for x
x = 345,644,852,305.57/930,721.07 - Step 6: Final answer
x = 371,373.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.