Finding the Fourth Proportional to 415,730.80, 623,596.20 and 410,201.20
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Solution
The fourth proportional to 415,730.80, 623,596.20 and 410,201.20 is: 615,301.80
Step by Step Solution
- Step 1: Write the proportion equation
415,730.80 : 623,596.20 = 410,201.20 : x - Step 2: Convert to fraction form
415,730.80/623,596.20 = 410,201.20/x - Step 3: Cross multiply
415,730.80x = 623,596.20 × 410,201.20 - Step 4: Simplify right side
415,730.80x = 255,799,909,555.44 - Step 5: Solve for x
x = 255,799,909,555.44/415,730.80 - Step 6: Final answer
x = 615,301.80
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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.