Finding the Fourth Proportional to 783,811.64, 1,175,660.36 and 351,662.92
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Solution
The fourth proportional to 783,811.64, 1,175,660.36 and 351,662.92 is: 527,468.75
Step by Step Solution
- Step 1: Write the proportion equation
783,811.64 : 1,175,660.36 = 351,662.92 : x - Step 2: Convert to fraction form
783,811.64/1,175,660.36 = 351,662.92/x - Step 3: Cross multiply
783,811.64x = 1,175,660.36 × 351,662.92 - Step 4: Simplify right side
783,811.64x = 413,436,147,489.24 - Step 5: Solve for x
x = 413,436,147,489.24/783,811.64 - Step 6: Final answer
x = 527,468.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.