Finding the Fourth Proportional to 836,518.41, 1,154,402.71 and 454,545.18
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Solution
The fourth proportional to 836,518.41, 1,154,402.71 and 454,545.18 is: 627,276.32
Step by Step Solution
- Step 1: Write the proportion equation
836,518.41 : 1,154,402.71 = 454,545.18 : x - Step 2: Convert to fraction form
836,518.41/1,154,402.71 = 454,545.18/x - Step 3: Cross multiply
836,518.41x = 1,154,402.71 × 454,545.18 - Step 4: Simplify right side
836,518.41x = 524,728,186,473.08 - Step 5: Solve for x
x = 524,728,186,473.08/836,518.41 - Step 6: Final answer
x = 627,276.32
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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.