Finding the Fourth Proportional to 979,777.54, 1,351,988.58 and 550,104.94
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Solution
The fourth proportional to 979,777.54, 1,351,988.58 and 550,104.94 is: 759,086.19
Step by Step Solution
- Step 1: Write the proportion equation
979,777.54 : 1,351,988.58 = 550,104.94 : x - Step 2: Convert to fraction form
979,777.54/1,351,988.58 = 550,104.94/x - Step 3: Cross multiply
979,777.54x = 1,351,988.58 × 550,104.94 - Step 4: Simplify right side
979,777.54x = 743,735,596,681.59 - Step 5: Solve for x
x = 743,735,596,681.59/979,777.54 - Step 6: Final answer
x = 759,086.19
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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.