Finding the Fourth Proportional to 453,452.09, 625,503.95 and 283,390.97
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Solution
The fourth proportional to 453,452.09, 625,503.95 and 283,390.97 is: 390,917.08
Step by Step Solution
- Step 1: Write the proportion equation
453,452.09 : 625,503.95 = 283,390.97 : x - Step 2: Convert to fraction form
453,452.09/625,503.95 = 283,390.97/x - Step 3: Cross multiply
453,452.09x = 625,503.95 × 283,390.97 - Step 4: Simplify right side
453,452.09x = 177,262,166,584.86 - Step 5: Solve for x
x = 177,262,166,584.86/453,452.09 - Step 6: Final answer
x = 390,917.08
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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.