Finding the Fourth Proportional to 745,694.22, 1,117,673.67 and 426,069.99
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Solution
The fourth proportional to 745,694.22, 1,117,673.67 and 426,069.99 is: 638,609.23
Step by Step Solution
- Step 1: Write the proportion equation
745,694.22 : 1,117,673.67 = 426,069.99 : x - Step 2: Convert to fraction form
745,694.22/1,117,673.67 = 426,069.99/x - Step 3: Cross multiply
745,694.22x = 1,117,673.67 × 426,069.99 - Step 4: Simplify right side
745,694.22x = 476,207,209,400.16 - Step 5: Solve for x
x = 476,207,209,400.16/745,694.22 - Step 6: Final answer
x = 638,609.23
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.