Finding the Fourth Proportional to 709,775.02, 1,063,776.49 and 354,890.53
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Solution
The fourth proportional to 709,775.02, 1,063,776.49 and 354,890.53 is: 531,892.77
Step by Step Solution
- Step 1: Write the proportion equation
709,775.02 : 1,063,776.49 = 354,890.53 : x - Step 2: Convert to fraction form
709,775.02/1,063,776.49 = 354,890.53/x - Step 3: Cross multiply
709,775.02x = 1,063,776.49 × 354,890.53 - Step 4: Simplify right side
709,775.02x = 377,524,198,790.97 - Step 5: Solve for x
x = 377,524,198,790.97/709,775.02 - Step 6: Final answer
x = 531,892.77
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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.