Finding the Fourth Proportional to 490,634.70, 735,952.05 and 471,972.30
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Solution
The fourth proportional to 490,634.70, 735,952.05 and 471,972.30 is: 707,958.45
Step by Step Solution
- Step 1: Write the proportion equation
490,634.70 : 735,952.05 = 471,972.30 : x - Step 2: Convert to fraction form
490,634.70/735,952.05 = 471,972.30/x - Step 3: Cross multiply
490,634.70x = 735,952.05 × 471,972.30 - Step 4: Simplify right side
490,634.70x = 347,348,981,728.22 - Step 5: Solve for x
x = 347,348,981,728.22/490,634.70 - Step 6: Final answer
x = 707,958.45
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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.