Finding the Fourth Proportional to 980,235.80, 1,470,444.42 and 381,242.42
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Solution
The fourth proportional to 980,235.80, 1,470,444.42 and 381,242.42 is: 571,898.91
Step by Step Solution
- Step 1: Write the proportion equation
980,235.80 : 1,470,444.42 = 381,242.42 : x - Step 2: Convert to fraction form
980,235.80/1,470,444.42 = 381,242.42/x - Step 3: Cross multiply
980,235.80x = 1,470,444.42 × 381,242.42 - Step 4: Simplify right side
980,235.80x = 560,595,789,156.30 - Step 5: Solve for x
x = 560,595,789,156.30/980,235.80 - Step 6: Final answer
x = 571,898.91
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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.