Finding the Fourth Proportional to 550,367.64, 824,385.06 and 415,765.08
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Solution
The fourth proportional to 550,367.64, 824,385.06 and 415,765.08 is: 622,766.48
Step by Step Solution
- Step 1: Write the proportion equation
550,367.64 : 824,385.06 = 415,765.08 : x - Step 2: Convert to fraction form
550,367.64/824,385.06 = 415,765.08/x - Step 3: Cross multiply
550,367.64x = 824,385.06 × 415,765.08 - Step 4: Simplify right side
550,367.64x = 342,750,520,421.71 - Step 5: Solve for x
x = 342,750,520,421.71/550,367.64 - Step 6: Final answer
x = 622,766.48
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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.