Finding the Fourth Proportional to 747,976.48, 1,121,964.70 and 187,010.98
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Solution
The fourth proportional to 747,976.48, 1,121,964.70 and 187,010.98 is: 280,516.46
Step by Step Solution
- Step 1: Write the proportion equation
747,976.48 : 1,121,964.70 = 187,010.98 : x - Step 2: Convert to fraction form
747,976.48/1,121,964.70 = 187,010.98/x - Step 3: Cross multiply
747,976.48x = 1,121,964.70 × 187,010.98 - Step 4: Simplify right side
747,976.48x = 209,819,718,072.41 - Step 5: Solve for x
x = 209,819,718,072.41/747,976.48 - Step 6: Final answer
x = 280,516.46
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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.