Finding the Fourth Proportional to 776,568.42, 1,071,736.79 and 454,258.08
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Solution
The fourth proportional to 776,568.42, 1,071,736.79 and 454,258.08 is: 626,918.48
Step by Step Solution
- Step 1: Write the proportion equation
776,568.42 : 1,071,736.79 = 454,258.08 : x - Step 2: Convert to fraction form
776,568.42/1,071,736.79 = 454,258.08/x - Step 3: Cross multiply
776,568.42x = 1,071,736.79 × 454,258.08 - Step 4: Simplify right side
776,568.42x = 486,845,094,219.47 - Step 5: Solve for x
x = 486,845,094,219.47/776,568.42 - Step 6: Final answer
x = 626,918.48
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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.