Finding the Fourth Proportional to 825,188.88, 1,237,487.88 and 446,389.68
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Solution
The fourth proportional to 825,188.88, 1,237,487.88 and 446,389.68 is: 669,424.70
Step by Step Solution
- Step 1: Write the proportion equation
825,188.88 : 1,237,487.88 = 446,389.68 : x - Step 2: Convert to fraction form
825,188.88/1,237,487.88 = 446,389.68/x - Step 3: Cross multiply
825,188.88x = 1,237,487.88 × 446,389.68 - Step 4: Simplify right side
825,188.88x = 552,401,818,757.08 - Step 5: Solve for x
x = 552,401,818,757.08/825,188.88 - Step 6: Final answer
x = 669,424.70
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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.