Finding the Fourth Proportional to 901,392.84, 1,243,922.50 and 493,521.12
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Solution
The fourth proportional to 901,392.84, 1,243,922.50 and 493,521.12 is: 681,059.35
Step by Step Solution
- Step 1: Write the proportion equation
901,392.84 : 1,243,922.50 = 493,521.12 : x - Step 2: Convert to fraction form
901,392.84/1,243,922.50 = 493,521.12/x - Step 3: Cross multiply
901,392.84x = 1,243,922.50 × 493,521.12 - Step 4: Simplify right side
901,392.84x = 613,902,025,393.20 - Step 5: Solve for x
x = 613,902,025,393.20/901,392.84 - Step 6: Final answer
x = 681,059.35
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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.