Finding the Fourth Proportional to 979,859.92, 1,469,776.86 and 474,466.09
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Solution
The fourth proportional to 979,859.92, 1,469,776.86 and 474,466.09 is: 711,692.83
Step by Step Solution
- Step 1: Write the proportion equation
979,859.92 : 1,469,776.86 = 474,466.09 : x - Step 2: Convert to fraction form
979,859.92/1,469,776.86 = 474,466.09/x - Step 3: Cross multiply
979,859.92x = 1,469,776.86 × 474,466.09 - Step 4: Simplify right side
979,859.92x = 697,359,279,936.68 - Step 5: Solve for x
x = 697,359,279,936.68/979,859.92 - Step 6: Final answer
x = 711,692.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.