Finding the Fourth Proportional to 531,209.75, 733,069.47 and 292,745.75
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Solution
The fourth proportional to 531,209.75, 733,069.47 and 292,745.75 is: 403,989.14
Step by Step Solution
- Step 1: Write the proportion equation
531,209.75 : 733,069.47 = 292,745.75 : x - Step 2: Convert to fraction form
531,209.75/733,069.47 = 292,745.75/x - Step 3: Cross multiply
531,209.75x = 733,069.47 × 292,745.75 - Step 4: Simplify right side
531,209.75x = 214,602,971,797.25 - Step 5: Solve for x
x = 214,602,971,797.25/531,209.75 - Step 6: Final answer
x = 403,989.14
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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.