Finding the Fourth Proportional to 561,276.13, 774,331.68 and 414,452.80
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Solution
The fourth proportional to 561,276.13, 774,331.68 and 414,452.80 is: 571,775.49
Step by Step Solution
- Step 1: Write the proportion equation
561,276.13 : 774,331.68 = 414,452.80 : x - Step 2: Convert to fraction form
561,276.13/774,331.68 = 414,452.80/x - Step 3: Cross multiply
561,276.13x = 774,331.68 × 414,452.80 - Step 4: Simplify right side
561,276.13x = 320,923,932,904.70 - Step 5: Solve for x
x = 320,923,932,904.70/561,276.13 - Step 6: Final answer
x = 571,775.49
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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.