Finding the Fourth Proportional to 693,043.99, 957,336.80 and 522,252.96
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Solution
The fourth proportional to 693,043.99, 957,336.80 and 522,252.96 is: 721,414.49
Step by Step Solution
- Step 1: Write the proportion equation
693,043.99 : 957,336.80 = 522,252.96 : x - Step 2: Convert to fraction form
693,043.99/957,336.80 = 522,252.96/x - Step 3: Cross multiply
693,043.99x = 957,336.80 × 522,252.96 - Step 4: Simplify right side
693,043.99x = 499,971,977,516.93 - Step 5: Solve for x
x = 499,971,977,516.93/693,043.99 - Step 6: Final answer
x = 721,414.49
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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.