Finding the Fourth Proportional to 604,745.07, 907,678.11 and 305,435.84
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Solution
The fourth proportional to 604,745.07, 907,678.11 and 305,435.84 is: 458,436.84
Step by Step Solution
- Step 1: Write the proportion equation
604,745.07 : 907,678.11 = 305,435.84 : x - Step 2: Convert to fraction form
604,745.07/907,678.11 = 305,435.84/x - Step 3: Cross multiply
604,745.07x = 907,678.11 × 305,435.84 - Step 4: Simplify right side
604,745.07x = 277,237,421,439.07 - Step 5: Solve for x
x = 277,237,421,439.07/604,745.07 - Step 6: Final answer
x = 458,436.84
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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.