Finding the Fourth Proportional to 901,406.58, 1,243,955.82 and 493,501.62
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Solution
The fourth proportional to 901,406.58, 1,243,955.82 and 493,501.62 is: 681,040.31
Step by Step Solution
- Step 1: Write the proportion equation
901,406.58 : 1,243,955.82 = 493,501.62 : x - Step 2: Convert to fraction form
901,406.58/1,243,955.82 = 493,501.62/x - Step 3: Cross multiply
901,406.58x = 1,243,955.82 × 493,501.62 - Step 4: Simplify right side
901,406.58x = 613,894,212,378.43 - Step 5: Solve for x
x = 613,894,212,378.43/901,406.58 - Step 6: Final answer
x = 681,040.31
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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.