Finding the Fourth Proportional to 946,905.24, 1,306,708.11 and 517,186.92
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Solution
The fourth proportional to 946,905.24, 1,306,708.11 and 517,186.92 is: 713,706.41
Step by Step Solution
- Step 1: Write the proportion equation
946,905.24 : 1,306,708.11 = 517,186.92 : x - Step 2: Convert to fraction form
946,905.24/1,306,708.11 = 517,186.92/x - Step 3: Cross multiply
946,905.24x = 1,306,708.11 × 517,186.92 - Step 4: Simplify right side
946,905.24x = 675,812,342,749.92 - Step 5: Solve for x
x = 675,812,342,749.92/946,905.24 - Step 6: Final answer
x = 713,706.41
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1.5x scale
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.