Finding the Fourth Proportional to 906,005.67, 1,358,973.95 and 274,893.99
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Solution
The fourth proportional to 906,005.67, 1,358,973.95 and 274,893.99 is: 412,330.50
Step by Step Solution
- Step 1: Write the proportion equation
906,005.67 : 1,358,973.95 = 274,893.99 : x - Step 2: Convert to fraction form
906,005.67/1,358,973.95 = 274,893.99/x - Step 3: Cross multiply
906,005.67x = 1,358,973.95 × 274,893.99 - Step 4: Simplify right side
906,005.67x = 373,573,770,047.09 - Step 5: Solve for x
x = 373,573,770,047.09/906,005.67 - Step 6: Final answer
x = 412,330.50
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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.