Finding the Fourth Proportional to 903,074.67, 1,246,257.09 and 495,213.75
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Solution
The fourth proportional to 903,074.67, 1,246,257.09 and 495,213.75 is: 683,402.68
Step by Step Solution
- Step 1: Write the proportion equation
903,074.67 : 1,246,257.09 = 495,213.75 : x - Step 2: Convert to fraction form
903,074.67/1,246,257.09 = 495,213.75/x - Step 3: Cross multiply
903,074.67x = 1,246,257.09 × 495,213.75 - Step 4: Simplify right side
903,074.67x = 617,163,647,002.99 - Step 5: Solve for x
x = 617,163,647,002.99/903,074.67 - Step 6: Final answer
x = 683,402.68
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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.