Finding the Fourth Proportional to 517,984.13, 714,928.38 and 348,119.84
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Solution
The fourth proportional to 517,984.13, 714,928.38 and 348,119.84 is: 480,479.49
Step by Step Solution
- Step 1: Write the proportion equation
517,984.13 : 714,928.38 = 348,119.84 : x - Step 2: Convert to fraction form
517,984.13/714,928.38 = 348,119.84/x - Step 3: Cross multiply
517,984.13x = 714,928.38 × 348,119.84 - Step 4: Simplify right side
517,984.13x = 248,880,753,738.93 - Step 5: Solve for x
x = 248,880,753,738.93/517,984.13 - Step 6: Final answer
x = 480,479.49
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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.