Finding the Fourth Proportional to 954,378.32, 1,430,517.64 and 393,106.64
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Solution
The fourth proportional to 954,378.32, 1,430,517.64 and 393,106.64 is: 589,227.53
Step by Step Solution
- Step 1: Write the proportion equation
954,378.32 : 1,430,517.64 = 393,106.64 : x - Step 2: Convert to fraction form
954,378.32/1,430,517.64 = 393,106.64/x - Step 3: Cross multiply
954,378.32x = 1,430,517.64 × 393,106.64 - Step 4: Simplify right side
954,378.32x = 562,345,982,921.13 - Step 5: Solve for x
x = 562,345,982,921.13/954,378.32 - Step 6: Final answer
x = 589,227.53
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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.