Finding the Fourth Proportional to 518,036.94, 714,880.14 and 288,593.88
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Solution
The fourth proportional to 518,036.94, 714,880.14 and 288,593.88 is: 398,253.52
Step by Step Solution
- Step 1: Write the proportion equation
518,036.94 : 714,880.14 = 288,593.88 : x - Step 2: Convert to fraction form
518,036.94/714,880.14 = 288,593.88/x - Step 3: Cross multiply
518,036.94x = 714,880.14 × 288,593.88 - Step 4: Simplify right side
518,036.94x = 206,310,033,337.54 - Step 5: Solve for x
x = 206,310,033,337.54/518,036.94 - Step 6: Final answer
x = 398,253.52
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1.5x scale
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.