Finding the Fourth Proportional to 994,903.76, 1,372,954.05 and 553,375.36
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Solution
The fourth proportional to 994,903.76, 1,372,954.05 and 553,375.36 is: 763,650.68
Step by Step Solution
- Step 1: Write the proportion equation
994,903.76 : 1,372,954.05 = 553,375.36 : x - Step 2: Convert to fraction form
994,903.76/1,372,954.05 = 553,375.36/x - Step 3: Cross multiply
994,903.76x = 1,372,954.05 × 553,375.36 - Step 4: Simplify right side
994,903.76x = 759,758,937,606.25 - Step 5: Solve for x
x = 759,758,937,606.25/994,903.76 - Step 6: Final answer
x = 763,650.68
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.