Finding the Fourth Proportional to 994,163.66, 1,371,896.95 and 564,387.38
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Solution
The fourth proportional to 994,163.66, 1,371,896.95 and 564,387.38 is: 778,826.82
Step by Step Solution
- Step 1: Write the proportion equation
994,163.66 : 1,371,896.95 = 564,387.38 : x - Step 2: Convert to fraction form
994,163.66/1,371,896.95 = 564,387.38/x - Step 3: Cross multiply
994,163.66x = 1,371,896.95 × 564,387.38 - Step 4: Simplify right side
994,163.66x = 774,281,315,559.07 - Step 5: Solve for x
x = 774,281,315,559.07/994,163.66 - Step 6: Final answer
x = 778,826.82
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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.