Finding the Fourth Proportional to 979,872.92, 1,469,796.30 and 474,479.12
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Solution
The fourth proportional to 979,872.92, 1,469,796.30 and 474,479.12 is: 711,712.35
Step by Step Solution
- Step 1: Write the proportion equation
979,872.92 : 1,469,796.30 = 474,479.12 : x - Step 2: Convert to fraction form
979,872.92/1,469,796.30 = 474,479.12/x - Step 3: Cross multiply
979,872.92x = 1,469,796.30 × 474,479.12 - Step 4: Simplify right side
979,872.92x = 697,387,655,003.26 - Step 5: Solve for x
x = 697,387,655,003.26/979,872.92 - Step 6: Final answer
x = 711,712.35
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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.