Finding the Fourth Proportional to 725,691.07, 1,088,766.24 and 326,366.74
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Solution
The fourth proportional to 725,691.07, 1,088,766.24 and 326,366.74 is: 489,653.38
Step by Step Solution
- Step 1: Write the proportion equation
725,691.07 : 1,088,766.24 = 326,366.74 : x - Step 2: Convert to fraction form
725,691.07/1,088,766.24 = 326,366.74/x - Step 3: Cross multiply
725,691.07x = 1,088,766.24 × 326,366.74 - Step 4: Simplify right side
725,691.07x = 355,337,088,370.86 - Step 5: Solve for x
x = 355,337,088,370.86/725,691.07 - Step 6: Final answer
x = 489,653.38
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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.