Finding the Fourth Proportional to 734,178.56, 1,013,106.84 and 411,843.92
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Solution
The fourth proportional to 734,178.56, 1,013,106.84 and 411,843.92 is: 568,311.19
Step by Step Solution
- Step 1: Write the proportion equation
734,178.56 : 1,013,106.84 = 411,843.92 : x - Step 2: Convert to fraction form
734,178.56/1,013,106.84 = 411,843.92/x - Step 3: Cross multiply
734,178.56x = 1,013,106.84 × 411,843.92 - Step 4: Simplify right side
734,178.56x = 417,241,892,364.41 - Step 5: Solve for x
x = 417,241,892,364.41/734,178.56 - Step 6: Final answer
x = 568,311.19
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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.