Finding the Fourth Proportional to 461,351.80, 635,720.70 and 340,301.62
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Solution
The fourth proportional to 461,351.80, 635,720.70 and 340,301.62 is: 468,919.35
Step by Step Solution
- Step 1: Write the proportion equation
461,351.80 : 635,720.70 = 340,301.62 : x - Step 2: Convert to fraction form
461,351.80/635,720.70 = 340,301.62/x - Step 3: Cross multiply
461,351.80x = 635,720.70 × 340,301.62 - Step 4: Simplify right side
461,351.80x = 216,336,784,077.53 - Step 5: Solve for x
x = 216,336,784,077.53/461,351.80 - Step 6: Final answer
x = 468,919.35
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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.