Finding the Fourth Proportional to 621,259.97, 930,523.97 and 513,421.73
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Solution
The fourth proportional to 621,259.97, 930,523.97 and 513,421.73 is: 769,003.71
Step by Step Solution
- Step 1: Write the proportion equation
621,259.97 : 930,523.97 = 513,421.73 : x - Step 2: Convert to fraction form
621,259.97/930,523.97 = 513,421.73/x - Step 3: Cross multiply
621,259.97x = 930,523.97 × 513,421.73 - Step 4: Simplify right side
621,259.97x = 477,751,219,264.14 - Step 5: Solve for x
x = 477,751,219,264.14/621,259.97 - Step 6: Final answer
x = 769,003.71
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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.