Finding the Fourth Proportional to 856,394.02, 1,181,728.33 and 474,325.12
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Solution
The fourth proportional to 856,394.02, 1,181,728.33 and 474,325.12 is: 654,515.82
Step by Step Solution
- Step 1: Write the proportion equation
856,394.02 : 1,181,728.33 = 474,325.12 : x - Step 2: Convert to fraction form
856,394.02/1,181,728.33 = 474,325.12/x - Step 3: Cross multiply
856,394.02x = 1,181,728.33 × 474,325.12 - Step 4: Simplify right side
856,394.02x = 560,523,431,934.65 - Step 5: Solve for x
x = 560,523,431,934.65/856,394.02 - Step 6: Final answer
x = 654,515.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.