Finding the Fourth Proportional to 974,093.40, 1,343,378.52 and 611,551.05
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Solution
The fourth proportional to 974,093.40, 1,343,378.52 and 611,551.05 is: 843,394.02
Step by Step Solution
- Step 1: Write the proportion equation
974,093.40 : 1,343,378.52 = 611,551.05 : x - Step 2: Convert to fraction form
974,093.40/1,343,378.52 = 611,551.05/x - Step 3: Cross multiply
974,093.40x = 1,343,378.52 × 611,551.05 - Step 4: Simplify right side
974,093.40x = 821,544,544,453.45 - Step 5: Solve for x
x = 821,544,544,453.45/974,093.40 - Step 6: Final answer
x = 843,394.02
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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.