Finding the Fourth Proportional to 749,161.68, 1,033,944.26 and 422,541.74
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Solution
The fourth proportional to 749,161.68, 1,033,944.26 and 422,541.74 is: 583,164.64
Step by Step Solution
- Step 1: Write the proportion equation
749,161.68 : 1,033,944.26 = 422,541.74 : x - Step 2: Convert to fraction form
749,161.68/1,033,944.26 = 422,541.74/x - Step 3: Cross multiply
749,161.68x = 1,033,944.26 × 422,541.74 - Step 4: Simplify right side
749,161.68x = 436,884,599,400.98 - Step 5: Solve for x
x = 436,884,599,400.98/749,161.68 - Step 6: Final answer
x = 583,164.64
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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.