Finding the Fourth Proportional to 957,604.53, 1,438,033.80 and 639,798.65
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Solution
The fourth proportional to 957,604.53, 1,438,033.80 and 639,798.65 is: 960,785.02
Step by Step Solution
- Step 1: Write the proportion equation
957,604.53 : 1,438,033.80 = 639,798.65 : x - Step 2: Convert to fraction form
957,604.53/1,438,033.80 = 639,798.65/x - Step 3: Cross multiply
957,604.53x = 1,438,033.80 × 639,798.65 - Step 4: Simplify right side
957,604.53x = 920,052,084,496.07 - Step 5: Solve for x
x = 920,052,084,496.07/957,604.53 - Step 6: Final answer
x = 960,785.02
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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.