Finding the Fourth Proportional to 621,404.21, 857,529.68 and 349,472.03
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Solution
The fourth proportional to 621,404.21, 857,529.68 and 349,472.03 is: 482,266.82
Step by Step Solution
- Step 1: Write the proportion equation
621,404.21 : 857,529.68 = 349,472.03 : x - Step 2: Convert to fraction form
621,404.21/857,529.68 = 349,472.03/x - Step 3: Cross multiply
621,404.21x = 857,529.68 × 349,472.03 - Step 4: Simplify right side
621,404.21x = 299,682,632,019.84 - Step 5: Solve for x
x = 299,682,632,019.84/621,404.21 - Step 6: Final answer
x = 482,266.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.