Finding the Fourth Proportional to 847,674.72, 1,271,497.68 and 448,230.24
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Solution
The fourth proportional to 847,674.72, 1,271,497.68 and 448,230.24 is: 672,337.75
Step by Step Solution
- Step 1: Write the proportion equation
847,674.72 : 1,271,497.68 = 448,230.24 : x - Step 2: Convert to fraction form
847,674.72/1,271,497.68 = 448,230.24/x - Step 3: Cross multiply
847,674.72x = 1,271,497.68 × 448,230.24 - Step 4: Simplify right side
847,674.72x = 569,923,710,265.84 - Step 5: Solve for x
x = 569,923,710,265.84/847,674.72 - Step 6: Final answer
x = 672,337.75
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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.