Finding the Fourth Proportional to 788,815.55, 1,088,651.95 and 457,744.41
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Solution
The fourth proportional to 788,815.55, 1,088,651.95 and 457,744.41 is: 631,737.48
Step by Step Solution
- Step 1: Write the proportion equation
788,815.55 : 1,088,651.95 = 457,744.41 : x - Step 2: Convert to fraction form
788,815.55/1,088,651.95 = 457,744.41/x - Step 3: Cross multiply
788,815.55x = 1,088,651.95 × 457,744.41 - Step 4: Simplify right side
788,815.55x = 498,324,344,548.10 - Step 5: Solve for x
x = 498,324,344,548.10/788,815.55 - Step 6: Final answer
x = 631,737.48
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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.