Finding the Fourth Proportional to 836,518.84, 1,154,403.29 and 454,545.62
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Solution
The fourth proportional to 836,518.84, 1,154,403.29 and 454,545.62 is: 627,276.92
Step by Step Solution
- Step 1: Write the proportion equation
836,518.84 : 1,154,403.29 = 454,545.62 : x - Step 2: Convert to fraction form
836,518.84/1,154,403.29 = 454,545.62/x - Step 3: Cross multiply
836,518.84x = 1,154,403.29 × 454,545.62 - Step 4: Simplify right side
836,518.84x = 524,728,959,183.09 - Step 5: Solve for x
x = 524,728,959,183.09/836,518.84 - Step 6: Final answer
x = 627,276.92
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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.