Finding the Fourth Proportional to 804,961.99, 1,110,605.07 and 482,554.45
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Solution
The fourth proportional to 804,961.99, 1,110,605.07 and 482,554.45 is: 665,779.78
Step by Step Solution
- Step 1: Write the proportion equation
804,961.99 : 1,110,605.07 = 482,554.45 : x - Step 2: Convert to fraction form
804,961.99/1,110,605.07 = 482,554.45/x - Step 3: Cross multiply
804,961.99x = 1,110,605.07 × 482,554.45 - Step 4: Simplify right side
804,961.99x = 535,927,418,721.06 - Step 5: Solve for x
x = 535,927,418,721.06/804,961.99 - Step 6: Final answer
x = 665,779.78
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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.