Finding the Fourth Proportional to 809,806.06, 1,117,532.34 and 470,296.18
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Solution
The fourth proportional to 809,806.06, 1,117,532.34 and 470,296.18 is: 649,008.72
Step by Step Solution
- Step 1: Write the proportion equation
809,806.06 : 1,117,532.34 = 470,296.18 : x - Step 2: Convert to fraction form
809,806.06/1,117,532.34 = 470,296.18/x - Step 3: Cross multiply
809,806.06x = 1,117,532.34 × 470,296.18 - Step 4: Simplify right side
809,806.06x = 525,571,190,528.46 - Step 5: Solve for x
x = 525,571,190,528.46/809,806.06 - Step 6: Final answer
x = 649,008.72
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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.