Finding the Fourth Proportional to 903,240.97, 1,355,386.34 and 404,604.97
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Solution
The fourth proportional to 903,240.97, 1,355,386.34 and 404,604.97 is: 607,142.58
Step by Step Solution
- Step 1: Write the proportion equation
903,240.97 : 1,355,386.34 = 404,604.97 : x - Step 2: Convert to fraction form
903,240.97/1,355,386.34 = 404,604.97/x - Step 3: Cross multiply
903,240.97x = 1,355,386.34 × 404,604.97 - Step 4: Simplify right side
903,240.97x = 548,396,049,434.11 - Step 5: Solve for x
x = 548,396,049,434.11/903,240.97 - Step 6: Final answer
x = 607,142.58
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.