Finding the Fourth Proportional to 939,813.94, 1,296,634.53 and 531,875.26
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Solution
The fourth proportional to 939,813.94, 1,296,634.53 and 531,875.26 is: 733,813.15
Step by Step Solution
- Step 1: Write the proportion equation
939,813.94 : 1,296,634.53 = 531,875.26 : x - Step 2: Convert to fraction form
939,813.94/1,296,634.53 = 531,875.26/x - Step 3: Cross multiply
939,813.94x = 1,296,634.53 × 531,875.26 - Step 4: Simplify right side
939,813.94x = 689,647,827,768.73 - Step 5: Solve for x
x = 689,647,827,768.73/939,813.94 - Step 6: Final answer
x = 733,813.15
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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.