Finding the Fourth Proportional to 926,619.95, 1,390,828.73 and 447,185.18
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Solution
The fourth proportional to 926,619.95, 1,390,828.73 and 447,185.18 is: 671,211.53
Step by Step Solution
- Step 1: Write the proportion equation
926,619.95 : 1,390,828.73 = 447,185.18 : x - Step 2: Convert to fraction form
926,619.95/1,390,828.73 = 447,185.18/x - Step 3: Cross multiply
926,619.95x = 1,390,828.73 × 447,185.18 - Step 4: Simplify right side
926,619.95x = 621,957,995,974.22 - Step 5: Solve for x
x = 621,957,995,974.22/926,619.95 - Step 6: Final answer
x = 671,211.53
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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.