Finding the Fourth Proportional to 440,511.08, 660,766.61 and 388,023.08
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Solution
The fourth proportional to 440,511.08, 660,766.61 and 388,023.08 is: 582,034.61
Step by Step Solution
- Step 1: Write the proportion equation
440,511.08 : 660,766.61 = 388,023.08 : x - Step 2: Convert to fraction form
440,511.08/660,766.61 = 388,023.08/x - Step 3: Cross multiply
440,511.08x = 660,766.61 × 388,023.08 - Step 4: Simplify right side
440,511.08x = 256,392,692,839.58 - Step 5: Solve for x
x = 256,392,692,839.58/440,511.08 - Step 6: Final answer
x = 582,034.61
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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.