Finding the Fourth Proportional to 855,907.02, 1,283,875.11 and 323,678.70
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Solution
The fourth proportional to 855,907.02, 1,283,875.11 and 323,678.70 is: 485,523.56
Step by Step Solution
- Step 1: Write the proportion equation
855,907.02 : 1,283,875.11 = 323,678.70 : x - Step 2: Convert to fraction form
855,907.02/1,283,875.11 = 323,678.70/x - Step 3: Cross multiply
855,907.02x = 1,283,875.11 × 323,678.70 - Step 4: Simplify right side
855,907.02x = 415,563,026,567.16 - Step 5: Solve for x
x = 415,563,026,567.16/855,907.02 - Step 6: Final answer
x = 485,523.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.