Finding the Fourth Proportional to 780,768.04, 1,170,865.18 and 268,287.84
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Solution
The fourth proportional to 780,768.04, 1,170,865.18 and 268,287.84 is: 402,333.18
Step by Step Solution
- Step 1: Write the proportion equation
780,768.04 : 1,170,865.18 = 268,287.84 : x - Step 2: Convert to fraction form
780,768.04/1,170,865.18 = 268,287.84/x - Step 3: Cross multiply
780,768.04x = 1,170,865.18 × 268,287.84 - Step 4: Simplify right side
780,768.04x = 314,128,890,073.41 - Step 5: Solve for x
x = 314,128,890,073.41/780,768.04 - Step 6: Final answer
x = 402,333.18
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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.