Finding the Fourth Proportional to 832,293.44, 1,247,915.28 and 458,578.88
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Solution
The fourth proportional to 832,293.44, 1,247,915.28 and 458,578.88 is: 687,579.12
Step by Step Solution
- Step 1: Write the proportion equation
832,293.44 : 1,247,915.28 = 458,578.88 : x - Step 2: Convert to fraction form
832,293.44/1,247,915.28 = 458,578.88/x - Step 3: Cross multiply
832,293.44x = 1,247,915.28 × 458,578.88 - Step 4: Simplify right side
832,293.44x = 572,267,591,437.29 - Step 5: Solve for x
x = 572,267,591,437.29/832,293.44 - Step 6: Final answer
x = 687,579.12
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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.