Finding the Fourth Proportional to 919,202.70, 1,377,163.80 and 444,842.40
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Solution
The fourth proportional to 919,202.70, 1,377,163.80 and 444,842.40 is: 666,469.81
Step by Step Solution
- Step 1: Write the proportion equation
919,202.70 : 1,377,163.80 = 444,842.40 : x - Step 2: Convert to fraction form
919,202.70/1,377,163.80 = 444,842.40/x - Step 3: Cross multiply
919,202.70x = 1,377,163.80 × 444,842.40 - Step 4: Simplify right side
919,202.70x = 612,620,849,985.12 - Step 5: Solve for x
x = 612,620,849,985.12/919,202.70 - Step 6: Final answer
x = 666,469.81
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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.