Finding the Fourth Proportional to 700,755.68, 967,043.76 and 398,949.68
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Solution
The fourth proportional to 700,755.68, 967,043.76 and 398,949.68 is: 550,551.08
Step by Step Solution
- Step 1: Write the proportion equation
700,755.68 : 967,043.76 = 398,949.68 : x - Step 2: Convert to fraction form
700,755.68/967,043.76 = 398,949.68/x - Step 3: Cross multiply
700,755.68x = 967,043.76 × 398,949.68 - Step 4: Simplify right side
700,755.68x = 385,801,798,598.00 - Step 5: Solve for x
x = 385,801,798,598.00/700,755.68 - Step 6: Final answer
x = 550,551.08
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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.