Finding the Fourth Proportional to 928,850.70, 1,393,276.05 and 297,828.30
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Solution
The fourth proportional to 928,850.70, 1,393,276.05 and 297,828.30 is: 446,742.45
Step by Step Solution
- Step 1: Write the proportion equation
928,850.70 : 1,393,276.05 = 297,828.30 : x - Step 2: Convert to fraction form
928,850.70/1,393,276.05 = 297,828.30/x - Step 3: Cross multiply
928,850.70x = 1,393,276.05 × 297,828.30 - Step 4: Simplify right side
928,850.70x = 414,957,037,402.22 - Step 5: Solve for x
x = 414,957,037,402.22/928,850.70 - Step 6: Final answer
x = 446,742.45
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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.