Finding the Fourth Proportional to 804,391.36, 1,110,069.16 and 441,823.68
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Solution
The fourth proportional to 804,391.36, 1,110,069.16 and 441,823.68 is: 609,721.67
Step by Step Solution
- Step 1: Write the proportion equation
804,391.36 : 1,110,069.16 = 441,823.68 : x - Step 2: Convert to fraction form
804,391.36/1,110,069.16 = 441,823.68/x - Step 3: Cross multiply
804,391.36x = 1,110,069.16 × 441,823.68 - Step 4: Simplify right side
804,391.36x = 490,454,840,221.15 - Step 5: Solve for x
x = 490,454,840,221.15/804,391.36 - Step 6: Final answer
x = 609,721.67
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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.