Finding the Fourth Proportional to 783,542.58, 1,175,314.14 and 214,929.60
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Solution
The fourth proportional to 783,542.58, 1,175,314.14 and 214,929.60 is: 322,394.47
Step by Step Solution
- Step 1: Write the proportion equation
783,542.58 : 1,175,314.14 = 214,929.60 : x - Step 2: Convert to fraction form
783,542.58/1,175,314.14 = 214,929.60/x - Step 3: Cross multiply
783,542.58x = 1,175,314.14 × 214,929.60 - Step 4: Simplify right side
783,542.58x = 252,609,797,984.54 - Step 5: Solve for x
x = 252,609,797,984.54/783,542.58 - Step 6: Final answer
x = 322,394.47
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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.