Finding the Fourth Proportional to 985,930.06, 1,360,583.49 and 533,221.06
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Solution
The fourth proportional to 985,930.06, 1,360,583.49 and 533,221.06 is: 735,845.07
Step by Step Solution
- Step 1: Write the proportion equation
985,930.06 : 1,360,583.49 = 533,221.06 : x - Step 2: Convert to fraction form
985,930.06/1,360,583.49 = 533,221.06/x - Step 3: Cross multiply
985,930.06x = 1,360,583.49 × 533,221.06 - Step 4: Simplify right side
985,930.06x = 725,491,770,756.30 - Step 5: Solve for x
x = 725,491,770,756.30/985,930.06 - Step 6: Final answer
x = 735,845.07
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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.