Finding the Fourth Proportional to 702,114.70, 968,916.18 and 379,824.73
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Solution
The fourth proportional to 702,114.70, 968,916.18 and 379,824.73 is: 524,156.99
Step by Step Solution
- Step 1: Write the proportion equation
702,114.70 : 968,916.18 = 379,824.73 : x - Step 2: Convert to fraction form
702,114.70/968,916.18 = 379,824.73/x - Step 3: Cross multiply
702,114.70x = 968,916.18 × 379,824.73 - Step 4: Simplify right side
702,114.70x = 368,018,326,461.13 - Step 5: Solve for x
x = 368,018,326,461.13/702,114.70 - Step 6: Final answer
x = 524,156.99
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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.