Finding the Fourth Proportional to 874,873.41, 1,312,826.81 and 369,401.68
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Solution
The fourth proportional to 874,873.41, 1,312,826.81 and 369,401.68 is: 554,320.69
Step by Step Solution
- Step 1: Write the proportion equation
874,873.41 : 1,312,826.81 = 369,401.68 : x - Step 2: Convert to fraction form
874,873.41/1,312,826.81 = 369,401.68/x - Step 3: Cross multiply
874,873.41x = 1,312,826.81 × 369,401.68 - Step 4: Simplify right side
874,873.41x = 484,960,428,957.07 - Step 5: Solve for x
x = 484,960,428,957.07/874,873.41 - Step 6: Final answer
x = 554,320.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.