Finding the Fourth Proportional to 940,423.13, 1,409,251.93 and 555,776.09
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Solution
The fourth proportional to 940,423.13, 1,409,251.93 and 555,776.09 is: 832,846.94
Step by Step Solution
- Step 1: Write the proportion equation
940,423.13 : 1,409,251.93 = 555,776.09 : x - Step 2: Convert to fraction form
940,423.13/1,409,251.93 = 555,776.09/x - Step 3: Cross multiply
940,423.13x = 1,409,251.93 × 555,776.09 - Step 4: Simplify right side
940,423.13x = 783,228,519,044.65 - Step 5: Solve for x
x = 783,228,519,044.65/940,423.13 - Step 6: Final answer
x = 832,846.94
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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.