Finding the Fourth Proportional to 816,526.68, 1,126,754.25 and 453,941.21
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Solution
The fourth proportional to 816,526.68, 1,126,754.25 and 453,941.21 is: 626,409.65
Step by Step Solution
- Step 1: Write the proportion equation
816,526.68 : 1,126,754.25 = 453,941.21 : x - Step 2: Convert to fraction form
816,526.68/1,126,754.25 = 453,941.21/x - Step 3: Cross multiply
816,526.68x = 1,126,754.25 × 453,941.21 - Step 4: Simplify right side
816,526.68x = 511,480,188,732.25 - Step 5: Solve for x
x = 511,480,188,732.25/816,526.68 - Step 6: Final answer
x = 626,409.65
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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.