Finding the Fourth Proportional to 518,037.10, 714,880.43 and 288,594.07
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Solution
The fourth proportional to 518,037.10, 714,880.43 and 288,594.07 is: 398,253.82
Step by Step Solution
- Step 1: Write the proportion equation
518,037.10 : 714,880.43 = 288,594.07 : x - Step 2: Convert to fraction form
518,037.10/714,880.43 = 288,594.07/x - Step 3: Cross multiply
518,037.10x = 714,880.43 × 288,594.07 - Step 4: Simplify right side
518,037.10x = 206,310,252,857.05 - Step 5: Solve for x
x = 206,310,252,857.05/518,037.10 - Step 6: Final answer
x = 398,253.82
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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.