Finding the Fourth Proportional to 762,251.62, 1,051,831.37 and 440,065.70
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Solution
The fourth proportional to 762,251.62, 1,051,831.37 and 440,065.70 is: 607,246.87
Step by Step Solution
- Step 1: Write the proportion equation
762,251.62 : 1,051,831.37 = 440,065.70 : x - Step 2: Convert to fraction form
762,251.62/1,051,831.37 = 440,065.70/x - Step 3: Cross multiply
762,251.62x = 1,051,831.37 × 440,065.70 - Step 4: Simplify right side
762,251.62x = 462,874,908,121.01 - Step 5: Solve for x
x = 462,874,908,121.01/762,251.62 - Step 6: Final answer
x = 607,246.87
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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.