Finding the Fourth Proportional to 670,516.52, 925,307.81 and 364,593.09
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Solution
The fourth proportional to 670,516.52, 925,307.81 and 364,593.09 is: 503,135.75
Step by Step Solution
- Step 1: Write the proportion equation
670,516.52 : 925,307.81 = 364,593.09 : x - Step 2: Convert to fraction form
670,516.52/925,307.81 = 364,593.09/x - Step 3: Cross multiply
670,516.52x = 925,307.81 × 364,593.09 - Step 4: Simplify right side
670,516.52x = 337,360,833,649.03 - Step 5: Solve for x
x = 337,360,833,649.03/670,516.52 - Step 6: Final answer
x = 503,135.75
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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.