Finding the Fourth Proportional to 946,555.96, 1,306,240.68 and 516,835.84
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Solution
The fourth proportional to 946,555.96, 1,306,240.68 and 516,835.84 is: 713,229.89
Step by Step Solution
- Step 1: Write the proportion equation
946,555.96 : 1,306,240.68 = 516,835.84 : x - Step 2: Convert to fraction form
946,555.96/1,306,240.68 = 516,835.84/x - Step 3: Cross multiply
946,555.96x = 1,306,240.68 × 516,835.84 - Step 4: Simplify right side
946,555.96x = 675,111,999,089.97 - Step 5: Solve for x
x = 675,111,999,089.97/946,555.96 - Step 6: Final answer
x = 713,229.89
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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.