Finding the Fourth Proportional to 644,646.15, 966,052.41 and 474,831.09
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Solution
The fourth proportional to 644,646.15, 966,052.41 and 474,831.09 is: 711,571.33
Step by Step Solution
- Step 1: Write the proportion equation
644,646.15 : 966,052.41 = 474,831.09 : x - Step 2: Convert to fraction form
644,646.15/966,052.41 = 474,831.09/x - Step 3: Cross multiply
644,646.15x = 966,052.41 × 474,831.09 - Step 4: Simplify right side
644,646.15x = 458,711,718,837.43 - Step 5: Solve for x
x = 458,711,718,837.43/644,646.15 - Step 6: Final answer
x = 711,571.33
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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.