Finding the Fourth Proportional to 903,168.62, 1,246,389.81 and 495,246.14
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Solution
The fourth proportional to 903,168.62, 1,246,389.81 and 495,246.14 is: 683,449.05
Step by Step Solution
- Step 1: Write the proportion equation
903,168.62 : 1,246,389.81 = 495,246.14 : x - Step 2: Convert to fraction form
903,168.62/1,246,389.81 = 495,246.14/x - Step 3: Cross multiply
903,168.62x = 1,246,389.81 × 495,246.14 - Step 4: Simplify right side
903,168.62x = 617,269,733,629.65 - Step 5: Solve for x
x = 617,269,733,629.65/903,168.62 - Step 6: Final answer
x = 683,449.05
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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.