Finding the Fourth Proportional to 732,783.74, 1,099,133.92 and 220,437.98
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Solution
The fourth proportional to 732,783.74, 1,099,133.92 and 220,437.98 is: 330,644.43
Step by Step Solution
- Step 1: Write the proportion equation
732,783.74 : 1,099,133.92 = 220,437.98 : x - Step 2: Convert to fraction form
732,783.74/1,099,133.92 = 220,437.98/x - Step 3: Cross multiply
732,783.74x = 1,099,133.92 × 220,437.98 - Step 4: Simplify right side
732,783.74x = 242,290,862,137.24 - Step 5: Solve for x
x = 242,290,862,137.24/732,783.74 - Step 6: Final answer
x = 330,644.43
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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.