Finding the Fourth Proportional to 871,337.98, 1,202,479.59 and 484,182.14
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Solution
The fourth proportional to 871,337.98, 1,202,479.59 and 484,182.14 is: 668,189.79
Step by Step Solution
- Step 1: Write the proportion equation
871,337.98 : 1,202,479.59 = 484,182.14 : x - Step 2: Convert to fraction form
871,337.98/1,202,479.59 = 484,182.14/x - Step 3: Cross multiply
871,337.98x = 1,202,479.59 × 484,182.14 - Step 4: Simplify right side
871,337.98x = 582,219,138,771.61 - Step 5: Solve for x
x = 582,219,138,771.61/871,337.98 - Step 6: Final answer
x = 668,189.79
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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.