Finding the Fourth Proportional to 840,816.63, 1,160,351.60 and 458,867.97
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Solution
The fourth proportional to 840,816.63, 1,160,351.60 and 458,867.97 is: 633,251.25
Step by Step Solution
- Step 1: Write the proportion equation
840,816.63 : 1,160,351.60 = 458,867.97 : x - Step 2: Convert to fraction form
840,816.63/1,160,351.60 = 458,867.97/x - Step 3: Cross multiply
840,816.63x = 1,160,351.60 × 458,867.97 - Step 4: Simplify right side
840,816.63x = 532,448,180,883.91 - Step 5: Solve for x
x = 532,448,180,883.91/840,816.63 - Step 6: Final answer
x = 633,251.25
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1.5x scale
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.