Finding the Fourth Proportional to 923,221.20, 1,382,329.44 and 479,056.08
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Solution
The fourth proportional to 923,221.20, 1,382,329.44 and 479,056.08 is: 717,285.65
Step by Step Solution
- Step 1: Write the proportion equation
923,221.20 : 1,382,329.44 = 479,056.08 : x - Step 2: Convert to fraction form
923,221.20/1,382,329.44 = 479,056.08/x - Step 3: Cross multiply
923,221.20x = 1,382,329.44 × 479,056.08 - Step 4: Simplify right side
923,221.20x = 662,213,322,795.00 - Step 5: Solve for x
x = 662,213,322,795.00/923,221.20 - Step 6: Final answer
x = 717,285.65
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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.