Finding the Fourth Proportional to 743,809.08, 1,026,462.78 and 404,277.24
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Solution
The fourth proportional to 743,809.08, 1,026,462.78 and 404,277.24 is: 557,905.99
Step by Step Solution
- Step 1: Write the proportion equation
743,809.08 : 1,026,462.78 = 404,277.24 : x - Step 2: Convert to fraction form
743,809.08/1,026,462.78 = 404,277.24/x - Step 3: Cross multiply
743,809.08x = 1,026,462.78 × 404,277.24 - Step 4: Simplify right side
743,809.08x = 414,975,539,661.13 - Step 5: Solve for x
x = 414,975,539,661.13/743,809.08 - Step 6: Final answer
x = 557,905.99
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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.