Finding the Fourth Proportional to 873,694.64, 1,310,072.16 and 513,989.84
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Solution
The fourth proportional to 873,694.64, 1,310,072.16 and 513,989.84 is: 770,708.38
Step by Step Solution
- Step 1: Write the proportion equation
873,694.64 : 1,310,072.16 = 513,989.84 : x - Step 2: Convert to fraction form
873,694.64/1,310,072.16 = 513,989.84/x - Step 3: Cross multiply
873,694.64x = 1,310,072.16 × 513,989.84 - Step 4: Simplify right side
873,694.64x = 673,363,779,906.85 - Step 5: Solve for x
x = 673,363,779,906.85/873,694.64 - Step 6: Final answer
x = 770,708.38
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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.