Finding the Fourth Proportional to 586,542.99, 809,426.48 and 318,270.99
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Solution
The fourth proportional to 586,542.99, 809,426.48 and 318,270.99 is: 439,212.42
Step by Step Solution
- Step 1: Write the proportion equation
586,542.99 : 809,426.48 = 318,270.99 : x - Step 2: Convert to fraction form
586,542.99/809,426.48 = 318,270.99/x - Step 3: Cross multiply
586,542.99x = 809,426.48 × 318,270.99 - Step 4: Simplify right side
586,542.99x = 257,616,965,530.46 - Step 5: Solve for x
x = 257,616,965,530.46/586,542.99 - Step 6: Final answer
x = 439,212.42
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1.5x scale
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.