Finding the Fourth Proportional to 766,790.99, 1,149,407.26 and 317,756.15
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Solution
The fourth proportional to 766,790.99, 1,149,407.26 and 317,756.15 is: 476,311.32
Step by Step Solution
- Step 1: Write the proportion equation
766,790.99 : 1,149,407.26 = 317,756.15 : x - Step 2: Convert to fraction form
766,790.99/1,149,407.26 = 317,756.15/x - Step 3: Cross multiply
766,790.99x = 1,149,407.26 × 317,756.15 - Step 4: Simplify right side
766,790.99x = 365,231,225,719.65 - Step 5: Solve for x
x = 365,231,225,719.65/766,790.99 - Step 6: Final answer
x = 476,311.32
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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.