Finding the Fourth Proportional to 820,495.94, 1,230,106.49 and 531,697.49
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Solution
The fourth proportional to 820,495.94, 1,230,106.49 and 531,697.49 is: 797,133.18
Step by Step Solution
- Step 1: Write the proportion equation
820,495.94 : 1,230,106.49 = 531,697.49 : x - Step 2: Convert to fraction form
820,495.94/1,230,106.49 = 531,697.49/x - Step 3: Cross multiply
820,495.94x = 1,230,106.49 × 531,697.49 - Step 4: Simplify right side
820,495.94x = 654,044,530,963.46 - Step 5: Solve for x
x = 654,044,530,963.46/820,495.94 - Step 6: Final answer
x = 797,133.18
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.