Finding the Fourth Proportional to 528,909.99, 729,715.50 and 338,033.49
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Solution
The fourth proportional to 528,909.99, 729,715.50 and 338,033.49 is: 466,370.99
Step by Step Solution
- Step 1: Write the proportion equation
528,909.99 : 729,715.50 = 338,033.49 : x - Step 2: Convert to fraction form
528,909.99/729,715.50 = 338,033.49/x - Step 3: Cross multiply
528,909.99x = 729,715.50 × 338,033.49 - Step 4: Simplify right side
528,909.99x = 246,668,277,172.10 - Step 5: Solve for x
x = 246,668,277,172.10/528,909.99 - Step 6: Final answer
x = 466,370.99
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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.