Finding the Fourth Proportional to 748,806.14, 1,122,987.47 and 216,331.98
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Solution
The fourth proportional to 748,806.14, 1,122,987.47 and 216,331.98 is: 324,433.91
Step by Step Solution
- Step 1: Write the proportion equation
748,806.14 : 1,122,987.47 = 216,331.98 : x - Step 2: Convert to fraction form
748,806.14/1,122,987.47 = 216,331.98/x - Step 3: Cross multiply
748,806.14x = 1,122,987.47 × 216,331.98 - Step 4: Simplify right side
748,806.14x = 242,938,101,818.63 - Step 5: Solve for x
x = 242,938,101,818.63/748,806.14 - Step 6: Final answer
x = 324,433.91
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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.