Finding the Fourth Proportional to 625,215.84, 936,755.28 and 446,811.36
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Solution
The fourth proportional to 625,215.84, 936,755.28 and 446,811.36 is: 669,453.45
Step by Step Solution
- Step 1: Write the proportion equation
625,215.84 : 936,755.28 = 446,811.36 : x - Step 2: Convert to fraction form
625,215.84/936,755.28 = 446,811.36/x - Step 3: Cross multiply
625,215.84x = 936,755.28 × 446,811.36 - Step 4: Simplify right side
625,215.84x = 418,552,900,643.98 - Step 5: Solve for x
x = 418,552,900,643.98/625,215.84 - Step 6: Final answer
x = 669,453.45
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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.