Finding the Fourth Proportional to 757,453.18, 1,045,336.61 and 435,291.70
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Solution
The fourth proportional to 757,453.18, 1,045,336.61 and 435,291.70 is: 600,731.98
Step by Step Solution
- Step 1: Write the proportion equation
757,453.18 : 1,045,336.61 = 435,291.70 : x - Step 2: Convert to fraction form
757,453.18/1,045,336.61 = 435,291.70/x - Step 3: Cross multiply
757,453.18x = 1,045,336.61 × 435,291.70 - Step 4: Simplify right side
757,453.18x = 455,026,350,039.14 - Step 5: Solve for x
x = 455,026,350,039.14/757,453.18 - Step 6: Final answer
x = 600,731.98
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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.