Finding the Fourth Proportional to 742,344.06, 1,113,515.64 and 269,028.66
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Solution
The fourth proportional to 742,344.06, 1,113,515.64 and 269,028.66 is: 403,542.83
Step by Step Solution
- Step 1: Write the proportion equation
742,344.06 : 1,113,515.64 = 269,028.66 : x - Step 2: Convert to fraction form
742,344.06/1,113,515.64 = 269,028.66/x - Step 3: Cross multiply
742,344.06x = 1,113,515.64 × 269,028.66 - Step 4: Simplify right side
742,344.06x = 299,567,620,518.24 - Step 5: Solve for x
x = 299,567,620,518.24/742,344.06 - Step 6: Final answer
x = 403,542.83
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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.