Finding the Fourth Proportional to 903,706.80, 1,353,751.83 and 543,678.09
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Solution
The fourth proportional to 903,706.80, 1,353,751.83 and 543,678.09 is: 814,429.20
Step by Step Solution
- Step 1: Write the proportion equation
903,706.80 : 1,353,751.83 = 543,678.09 : x - Step 2: Convert to fraction form
903,706.80/1,353,751.83 = 543,678.09/x - Step 3: Cross multiply
903,706.80x = 1,353,751.83 × 543,678.09 - Step 4: Simplify right side
903,706.80x = 736,005,209,268.41 - Step 5: Solve for x
x = 736,005,209,268.41/903,706.80 - Step 6: Final answer
x = 814,429.20
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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.