Finding the Fourth Proportional to 531,540.87, 797,684.93 and 480,721.84
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Solution
The fourth proportional to 531,540.87, 797,684.93 and 480,721.84 is: 721,420.66
Step by Step Solution
- Step 1: Write the proportion equation
531,540.87 : 797,684.93 = 480,721.84 : x - Step 2: Convert to fraction form
531,540.87/797,684.93 = 480,721.84/x - Step 3: Cross multiply
531,540.87x = 797,684.93 × 480,721.84 - Step 4: Simplify right side
531,540.87x = 383,464,564,694.76 - Step 5: Solve for x
x = 383,464,564,694.76/531,540.87 - Step 6: Final answer
x = 721,420.66
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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.