Finding the Fourth Proportional to 751,034.92, 1,128,914.34 and 652,423.09
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Solution
The fourth proportional to 751,034.92, 1,128,914.34 and 652,423.09 is: 980,686.47
Step by Step Solution
- Step 1: Write the proportion equation
751,034.92 : 1,128,914.34 = 652,423.09 : x - Step 2: Convert to fraction form
751,034.92/1,128,914.34 = 652,423.09/x - Step 3: Cross multiply
751,034.92x = 1,128,914.34 × 652,423.09 - Step 4: Simplify right side
751,034.92x = 736,529,782,048.11 - Step 5: Solve for x
x = 736,529,782,048.11/751,034.92 - Step 6: Final answer
x = 980,686.47
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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.