Finding the Fourth Proportional to 528,206.67, 729,207.63 and 413,240.94
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Solution
The fourth proportional to 528,206.67, 729,207.63 and 413,240.94 is: 570,493.45
Step by Step Solution
- Step 1: Write the proportion equation
528,206.67 : 729,207.63 = 413,240.94 : x - Step 2: Convert to fraction form
528,206.67/729,207.63 = 413,240.94/x - Step 3: Cross multiply
528,206.67x = 729,207.63 × 413,240.94 - Step 4: Simplify right side
528,206.67x = 301,338,446,476.37 - Step 5: Solve for x
x = 301,338,446,476.37/528,206.67 - Step 6: Final answer
x = 570,493.45
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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.