Finding the Fourth Proportional to 946,806.15, 1,306,593.95 and 538,907.99
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Solution
The fourth proportional to 946,806.15, 1,306,593.95 and 538,907.99 is: 743,693.85
Step by Step Solution
- Step 1: Write the proportion equation
946,806.15 : 1,306,593.95 = 538,907.99 : x - Step 2: Convert to fraction form
946,806.15/1,306,593.95 = 538,907.99/x - Step 3: Cross multiply
946,806.15x = 1,306,593.95 × 538,907.99 - Step 4: Simplify right side
946,806.15x = 704,133,910,113.15 - Step 5: Solve for x
x = 704,133,910,113.15/946,806.15 - Step 6: Final answer
x = 743,693.85
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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.