Finding the Fourth Proportional to 611,821.76, 844,391.88 and 370,106.07
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Solution
The fourth proportional to 611,821.76, 844,391.88 and 370,106.07 is: 510,793.47
Step by Step Solution
- Step 1: Write the proportion equation
611,821.76 : 844,391.88 = 370,106.07 : x - Step 2: Convert to fraction form
611,821.76/844,391.88 = 370,106.07/x - Step 3: Cross multiply
611,821.76x = 844,391.88 × 370,106.07 - Step 4: Simplify right side
611,821.76x = 312,514,560,246.71 - Step 5: Solve for x
x = 312,514,560,246.71/611,821.76 - Step 6: Final answer
x = 510,793.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.