Finding the Fourth Proportional to 634,542.84, 950,544.99 and 381,683.79
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Solution
The fourth proportional to 634,542.84, 950,544.99 and 381,683.79 is: 571,762.21
Step by Step Solution
- Step 1: Write the proportion equation
634,542.84 : 950,544.99 = 381,683.79 : x - Step 2: Convert to fraction form
634,542.84/950,544.99 = 381,683.79/x - Step 3: Cross multiply
634,542.84x = 950,544.99 × 381,683.79 - Step 4: Simplify right side
634,542.84x = 362,807,614,348.71 - Step 5: Solve for x
x = 362,807,614,348.71/634,542.84 - Step 6: Final answer
x = 571,762.21
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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.