Finding the Fourth Proportional to 673,989.09, 1,010,702.56 and 274,358.58
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Solution
The fourth proportional to 673,989.09, 1,010,702.56 and 274,358.58 is: 411,423.45
Step by Step Solution
- Step 1: Write the proportion equation
673,989.09 : 1,010,702.56 = 274,358.58 : x - Step 2: Convert to fraction form
673,989.09/1,010,702.56 = 274,358.58/x - Step 3: Cross multiply
673,989.09x = 1,010,702.56 × 274,358.58 - Step 4: Simplify right side
673,989.09x = 277,294,914,687.93 - Step 5: Solve for x
x = 277,294,914,687.93/673,989.09 - Step 6: Final answer
x = 411,423.45
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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.