Finding the Fourth Proportional to 424,542.71, 586,709.52 and 347,940.99
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Solution
The fourth proportional to 424,542.71, 586,709.52 and 347,940.99 is: 480,847.48
Step by Step Solution
- Step 1: Write the proportion equation
424,542.71 : 586,709.52 = 347,940.99 : x - Step 2: Convert to fraction form
424,542.71/586,709.52 = 347,940.99/x - Step 3: Cross multiply
424,542.71x = 586,709.52 × 347,940.99 - Step 4: Simplify right side
424,542.71x = 204,140,291,231.23 - Step 5: Solve for x
x = 204,140,291,231.23/424,542.71 - Step 6: Final answer
x = 480,847.48
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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.