Finding the Fourth Proportional to 608,873.09, 840,258.57 and 394,386.48
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Solution
The fourth proportional to 608,873.09, 840,258.57 and 394,386.48 is: 544,262.22
Step by Step Solution
- Step 1: Write the proportion equation
608,873.09 : 840,258.57 = 394,386.48 : x - Step 2: Convert to fraction form
608,873.09/840,258.57 = 394,386.48/x - Step 3: Cross multiply
608,873.09x = 840,258.57 × 394,386.48 - Step 4: Simplify right side
608,873.09x = 331,386,619,712.13 - Step 5: Solve for x
x = 331,386,619,712.13/608,873.09 - Step 6: Final answer
x = 544,262.22
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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.