Finding the Fourth Proportional to 718,830.70, 1,078,246.05 and 220,194.70
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Solution
The fourth proportional to 718,830.70, 1,078,246.05 and 220,194.70 is: 330,292.05
Step by Step Solution
- Step 1: Write the proportion equation
718,830.70 : 1,078,246.05 = 220,194.70 : x - Step 2: Convert to fraction form
718,830.70/1,078,246.05 = 220,194.70/x - Step 3: Cross multiply
718,830.70x = 1,078,246.05 × 220,194.70 - Step 4: Simplify right side
718,830.70x = 237,424,065,505.94 - Step 5: Solve for x
x = 237,424,065,505.94/718,830.70 - Step 6: Final answer
x = 330,292.05
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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.