Finding the Fourth Proportional to 847,470.24, 1,271,207.48 and 207,776.85
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Solution
The fourth proportional to 847,470.24, 1,271,207.48 and 207,776.85 is: 311,665.79
Step by Step Solution
- Step 1: Write the proportion equation
847,470.24 : 1,271,207.48 = 207,776.85 : x - Step 2: Convert to fraction form
847,470.24/1,271,207.48 = 207,776.85/x - Step 3: Cross multiply
847,470.24x = 1,271,207.48 × 207,776.85 - Step 4: Simplify right side
847,470.24x = 264,127,484,851.95 - Step 5: Solve for x
x = 264,127,484,851.95/847,470.24 - Step 6: Final answer
x = 311,665.79
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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.