Finding the Fourth Proportional to 439,643.70, 659,465.55 and 370,523.70
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Solution
The fourth proportional to 439,643.70, 659,465.55 and 370,523.70 is: 555,785.55
Step by Step Solution
- Step 1: Write the proportion equation
439,643.70 : 659,465.55 = 370,523.70 : x - Step 2: Convert to fraction form
439,643.70/659,465.55 = 370,523.70/x - Step 3: Cross multiply
439,643.70x = 659,465.55 × 370,523.70 - Step 4: Simplify right side
439,643.70x = 244,347,615,608.54 - Step 5: Solve for x
x = 244,347,615,608.54/439,643.70 - Step 6: Final answer
x = 555,785.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.