Finding the Fourth Proportional to 734,929.57, 1,101,965.13 and 285,124.81
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Solution
The fourth proportional to 734,929.57, 1,101,965.13 and 285,124.81 is: 427,520.69
Step by Step Solution
- Step 1: Write the proportion equation
734,929.57 : 1,101,965.13 = 285,124.81 : x - Step 2: Convert to fraction form
734,929.57/1,101,965.13 = 285,124.81/x - Step 3: Cross multiply
734,929.57x = 1,101,965.13 × 285,124.81 - Step 4: Simplify right side
734,929.57x = 314,197,598,317.88 - Step 5: Solve for x
x = 314,197,598,317.88/734,929.57 - Step 6: Final answer
x = 427,520.69
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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.