Finding the Fourth Proportional to 746,278.43, 1,029,864.62 and 423,989.09
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Solution
The fourth proportional to 746,278.43, 1,029,864.62 and 423,989.09 is: 585,105.16
Step by Step Solution
- Step 1: Write the proportion equation
746,278.43 : 1,029,864.62 = 423,989.09 : x - Step 2: Convert to fraction form
746,278.43/1,029,864.62 = 423,989.09/x - Step 3: Cross multiply
746,278.43x = 1,029,864.62 × 423,989.09 - Step 4: Simplify right side
746,278.43x = 436,651,360,937.05 - Step 5: Solve for x
x = 436,651,360,937.05/746,278.43 - Step 6: Final answer
x = 585,105.16
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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.