Finding the Fourth Proportional to 437,588.40, 603,984.35 and 285,006.81
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Solution
The fourth proportional to 437,588.40, 603,984.35 and 285,006.81 is: 393,382.58
Step by Step Solution
- Step 1: Write the proportion equation
437,588.40 : 603,984.35 = 285,006.81 : x - Step 2: Convert to fraction form
437,588.40/603,984.35 = 285,006.81/x - Step 3: Cross multiply
437,588.40x = 603,984.35 × 285,006.81 - Step 4: Simplify right side
437,588.40x = 172,139,652,883.42 - Step 5: Solve for x
x = 172,139,652,883.42/437,588.40 - Step 6: Final answer
x = 393,382.58
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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.