Finding the Fourth Proportional to 724,492.44, 1,085,324.88 and 474,416.28
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Solution
The fourth proportional to 724,492.44, 1,085,324.88 and 474,416.28 is: 710,698.64
Step by Step Solution
- Step 1: Write the proportion equation
724,492.44 : 1,085,324.88 = 474,416.28 : x - Step 2: Convert to fraction form
724,492.44/1,085,324.88 = 474,416.28/x - Step 3: Cross multiply
724,492.44x = 1,085,324.88 × 474,416.28 - Step 4: Simplify right side
724,492.44x = 514,895,792,161.05 - Step 5: Solve for x
x = 514,895,792,161.05/724,492.44 - Step 6: Final answer
x = 710,698.64
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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.