Finding the Fourth Proportional to 734,943.99, 1,014,251.13 and 408,281.73
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Solution
The fourth proportional to 734,943.99, 1,014,251.13 and 408,281.73 is: 563,444.58
Step by Step Solution
- Step 1: Write the proportion equation
734,943.99 : 1,014,251.13 = 408,281.73 : x - Step 2: Convert to fraction form
734,943.99/1,014,251.13 = 408,281.73/x - Step 3: Cross multiply
734,943.99x = 1,014,251.13 × 408,281.73 - Step 4: Simplify right side
734,943.99x = 414,100,206,010.86 - Step 5: Solve for x
x = 414,100,206,010.86/734,943.99 - Step 6: Final answer
x = 563,444.58
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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.