Finding the Fourth Proportional to 683,328.80, 1,024,996.84 and 448,160.68
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Solution
The fourth proportional to 683,328.80, 1,024,996.84 and 448,160.68 is: 672,243.41
Step by Step Solution
- Step 1: Write the proportion equation
683,328.80 : 1,024,996.84 = 448,160.68 : x - Step 2: Convert to fraction form
683,328.80/1,024,996.84 = 448,160.68/x - Step 3: Cross multiply
683,328.80x = 1,024,996.84 × 448,160.68 - Step 4: Simplify right side
683,328.80x = 459,363,280,812.25 - Step 5: Solve for x
x = 459,363,280,812.25/683,328.80 - Step 6: Final answer
x = 672,243.41
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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.