Finding the Fourth Proportional to 432,861.30, 648,125.55 and 339,549.30
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Solution
The fourth proportional to 432,861.30, 648,125.55 and 339,549.30 is: 508,408.99
Step by Step Solution
- Step 1: Write the proportion equation
432,861.30 : 648,125.55 = 339,549.30 : x - Step 2: Convert to fraction form
432,861.30/648,125.55 = 339,549.30/x - Step 3: Cross multiply
432,861.30x = 648,125.55 × 339,549.30 - Step 4: Simplify right side
432,861.30x = 220,070,576,814.62 - Step 5: Solve for x
x = 220,070,576,814.62/432,861.30 - Step 6: Final answer
x = 508,408.99
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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.