Finding the Fourth Proportional to 621,264.22, 930,530.34 and 513,425.99
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Solution
The fourth proportional to 621,264.22, 930,530.34 and 513,425.99 is: 769,010.10
Step by Step Solution
- Step 1: Write the proportion equation
621,264.22 : 930,530.34 = 513,425.99 : x - Step 2: Convert to fraction form
621,264.22/930,530.34 = 513,425.99/x - Step 3: Cross multiply
621,264.22x = 930,530.34 × 513,425.99 - Step 4: Simplify right side
621,264.22x = 477,758,461,039.54 - Step 5: Solve for x
x = 477,758,461,039.54/621,264.22 - Step 6: Final answer
x = 769,010.10
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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.