Finding the Fourth Proportional to 804,842.09, 1,110,742.25 and 498,977.99
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Solution
The fourth proportional to 804,842.09, 1,110,742.25 and 498,977.99 is: 688,626.92
Step by Step Solution
- Step 1: Write the proportion equation
804,842.09 : 1,110,742.25 = 498,977.99 : x - Step 2: Convert to fraction form
804,842.09/1,110,742.25 = 498,977.99/x - Step 3: Cross multiply
804,842.09x = 1,110,742.25 × 498,977.99 - Step 4: Simplify right side
804,842.09x = 554,235,927,264.48 - Step 5: Solve for x
x = 554,235,927,264.48/804,842.09 - Step 6: Final answer
x = 688,626.92
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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.