Finding the Fourth Proportional to 528,207.55, 729,208.84 and 413,241.82
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Solution
The fourth proportional to 528,207.55, 729,208.84 and 413,241.82 is: 570,494.66
Step by Step Solution
- Step 1: Write the proportion equation
528,207.55 : 729,208.84 = 413,241.82 : x - Step 2: Convert to fraction form
528,207.55/729,208.84 = 413,241.82/x - Step 3: Cross multiply
528,207.55x = 729,208.84 × 413,241.82 - Step 4: Simplify right side
528,207.55x = 301,339,588,201.69 - Step 5: Solve for x
x = 301,339,588,201.69/528,207.55 - Step 6: Final answer
x = 570,494.66
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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.