Finding the Fourth Proportional to 903,408.01, 1,246,704.83 and 495,513.17
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Solution
The fourth proportional to 903,408.01, 1,246,704.83 and 495,513.17 is: 683,809.15
Step by Step Solution
- Step 1: Write the proportion equation
903,408.01 : 1,246,704.83 = 495,513.17 : x - Step 2: Convert to fraction form
903,408.01/1,246,704.83 = 495,513.17/x - Step 3: Cross multiply
903,408.01x = 1,246,704.83 × 495,513.17 - Step 4: Simplify right side
903,408.01x = 617,758,662,367.61 - Step 5: Solve for x
x = 617,758,662,367.61/903,408.01 - Step 6: Final answer
x = 683,809.15
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1.5x scale
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.