Finding the Fourth Proportional to 947,636.41, 1,307,735.11 and 517,916.42
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Solution
The fourth proportional to 947,636.41, 1,307,735.11 and 517,916.42 is: 714,722.95
Step by Step Solution
- Step 1: Write the proportion equation
947,636.41 : 1,307,735.11 = 517,916.42 : x - Step 2: Convert to fraction form
947,636.41/1,307,735.11 = 517,916.42/x - Step 3: Cross multiply
947,636.41x = 1,307,735.11 × 517,916.42 - Step 4: Simplify right side
947,636.41x = 677,297,486,479.51 - Step 5: Solve for x
x = 677,297,486,479.51/947,636.41 - Step 6: Final answer
x = 714,722.95
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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.