Finding the Fourth Proportional to 518,037.11, 714,880.43 and 288,594.08
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Solution
The fourth proportional to 518,037.11, 714,880.43 and 288,594.08 is: 398,253.82
Step by Step Solution
- Step 1: Write the proportion equation
518,037.11 : 714,880.43 = 288,594.08 : x - Step 2: Convert to fraction form
518,037.11/714,880.43 = 288,594.08/x - Step 3: Cross multiply
518,037.11x = 714,880.43 × 288,594.08 - Step 4: Simplify right side
518,037.11x = 206,310,254,988.48 - Step 5: Solve for x
x = 206,310,254,988.48/518,037.11 - 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.