Finding the Fourth Proportional to 804,918.90, 1,207,378.35 and 744,093.30
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Solution
The fourth proportional to 804,918.90, 1,207,378.35 and 744,093.30 is: 1,116,139.95
Step by Step Solution
- Step 1: Write the proportion equation
804,918.90 : 1,207,378.35 = 744,093.30 : x - Step 2: Convert to fraction form
804,918.90/1,207,378.35 = 744,093.30/x - Step 3: Cross multiply
804,918.90x = 1,207,378.35 × 744,093.30 - Step 4: Simplify right side
804,918.90x = 898,402,140,800.06 - Step 5: Solve for x
x = 898,402,140,800.06/804,918.90 - Step 6: Final answer
x = 1,116,139.95
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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.